You are stranded on a boat with no way to paddle to the shore (and no water current to move the boat). You have mass 2m and the boat also has mass 2m. In addition, you brought 2 weights from the physics lab that each have mass m. Since you have been hitting the gym with Juan, you can throw the weights with an impressive speed of vo. (a) If you throw both weights off the back of the boat simultaneously, what will the speed of the boat (and you) be? (b) Suppose instead you throw each weight off the back of the boat individually. What will the speed of the boat be in this case? (Be careful when considering how fast the second weight is thrown with respect to the water). (c) If you were trying to get to shore as fast as possible, which method should you choose? Should you throw the weights towards shore or away from shore?

You are stranded on a boat with no way to paddle to the shore (and no water current to move the boat). You have mass 2m and the boat also has mass 2m. In addition, you brought 2 weights from the physics lab that each have mass m. Since you have been hitting the gym with Juan, you can throw the weights with an impressive speed of vo. (a) If you throw both weights off the back of the boat simultaneously, what will the speed of the boat (and you) be? (b) Suppose instead you throw each weight off the back of the boat individually. What will the speed of the boat be in this case? (Be careful when considering how fast the second weight is thrown with respect to the water). (c) If you were trying to get to shore as fast as possible, which method should you choose? Should you throw the weights towards shore or away from shore?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Related questions

Q: Q2: An automobile with mass of 700 Kg goes around a 500 m-radius curve at a constant speed of 50…

A: According to the information, we know A car of a weight of 700 kg is running at a constants speed of…

Q: A truck weighing 41,800 lbs drives up a 18 degree inclined truck ramp with gravel that creates a…

A: Given: Weight of truck = 41800 lbs Braking force due to gravel = 2250 lb Length of ramp = 1060 ft To…

Q: Q3/ Answer by true or false 1- Cables can resist tension and compression: a. True b. False 2-…

A: 1) false. Cable can resist only tension. It can not resist compression.

Q: A steel ball was dropped vertically downward from balcony of the building. It was found that on its…

A: A steel ball was dropped vertically downward from balcony of the building.It was found that on its…

Q: A pendulum in your house swings from one side to the other in a span of 0.8 seconds. How long is the…

A: Given data Time is taken by pendulum to swing from one side to the other (t) = 0.8 s To determine…

Q: An artificial pond was constructed in the local park last year by digging a hole in the shape of a…

A: Given:The radius of hemisphere pond is .The density of water is .The acceleration due to gravity is…

Q: Q2: A particle is thrown at an angle of 30° with velocity of 36 kmph calculate its time of flight…

A: Note- As per the company guidelines we are supposed to answer only the first question in case of…

Q: Trina is a gym goer with a leg length of 84 cm. Suppose that she is in the gym doing straight leg…

A: Solution: Given data: L = 84 cm W = 10 lbs

Q: A 3-meter-long 25 kg beam is supported by two cables as shown below. You can treat the beam as a…

Q: A five pound-video camera has been lowered one hundred feet into a deep pit on a chain which weighs…

A: Given Data: The mass of the video camera is; mC=5 lb The mass of the chain per feet is; MCh=0.2…

Q: Let us say that we have a ladder with its own length (L) and its own mass (m) this ladder just so…

A: Frictional force is the force of resistance offered by the ground on the object to restrict the…

Q: I need to lift a large engine block but at my age, I can only create 160lbs of force. I will build a…

A: Let F1 =160lb L1 =Distance between fulcrum to F1 F2 = 575lb L2=1.5ft As we know that the moment at…

Q: Khufra works at a spring factory and he was assigned to test a certain spring, whose constant is 50…

Q: Rolex threw a certain type of rock into a freshwater lake. As a dare, one of his friend would need…

A: Submerged body When body is submerged in the water then some force exerted by the water that is…

Q: When you step on the brakes, you are compressing a narrow piston (radius 2 cm), creating pressure in…

Q: Trina is a gym goer with a leg length of 84 cm. Suppose that she is in the gym doing straight leg…

Q: In a gym, your friend did a workout on a pulldown machine where he selected a 30 pound force weight…

A: Given data: m=30 pound=13.6078 kgh=1.3 feet=0.39624 mEegg=155 calories/piece=648.52 J Need to…

Q: Trina is a gym goer with a leg length of 84 cm. Suppose that she is in the gym doing straight leg…

A: GIVEN: Leg length = 84 cm = 0.84 m Distance of the muscle…

Q: A student struggled with his first midterm exam and is slightly angry. For this reason he drops a 10…

Q: 1.1 1.2 mass. 2. Write down the equation for determining the weight of a body. 3. What is the value…

A: Weight of the body is defined as the total gravitational pull experienced the object by the Earth.…

Q: Find the magnitude of force if a body of 12 kg is accelerated by 5 m/s2 due to that force.

A: Given, Mass of the body = m = 12 kg Acceleration induced by the force = a = 5 m/s2 As per Newton's…

Q: A ship displaces 4000 cubic feet of sea water. Find the volume of water that the ship will displace…

Q: A hydraulic jack is used to raise a 10KN car. A force of 400N applied on a 25mm diameter jack…

Q: You need to push a cupboard by applying a horizontal force F on its side. The cupboard width is L,…

A: The free body diagram of the cupboard:- where, fP and fQ are the frictional forces at P and Q and,…

Q: 4. A curious astronaut took her bathroom scale (a spring scale) and a beam scale (compares masses)…

Q: Application: 1. Will your hp change if you performed the activity for a longer duration (for…

A: Given question: 1. Will your hp change if you performed the activity for a longer duration?2.…

Q: 1. You are setting up for a pool party that has a 2.5 m high slide that launches swimmers into the…

A: Write the given data. h1=2.5 mh2=0.75 mv1=0θ=20°

Q: A box from rest is pulled with a force of 25 N as shown in Figure 4(b). If the angle between the…

Q: 1) A small steel block and a magnet rest on a horizontal frictionless table. The steel block weighs…

A: Given The weigh of the steel block is w=0.07 N. The force on the block at d=26 cm away from the…

Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

Problem 7 Marooned
You are stranded on a boat with no way to paddle to the shore (and no water current to move the boat).
You have mass 2m and the boat also has mass 2m. In addition, you brought 2 weights from the physics
lab that each have mass m. Since you have been hitting the gym with Juan, you can throw the weights
with an impressive speed of vo. (a) If you throw both weights off the back of the boat simultaneously,
what will the speed of the boat (and you) be?
(b) Suppose instead you throw each weight off the back of the boat individually. What will the speed of
the boat be in this case? (Be careful when considering how fast the second weight is thrown with respect
to the water). (c) If you were trying to get to shore as fast as possible, which method should you choose?
Should you throw the weights towards shore or away from shore?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Trina is a gym goer with a leg length of 84 cm. Suppose that she is in the gym doing straight legraising with 10 lb weights. Compute for the force that the muscle should exert in order to (1) maintain it in the position and(2) lift the weight up given that the distance of the effort (muscle) from the joint is 54 cm,distance of the weight is 80 cm, and the COM is 45 cm from the joint. ANSWER THE QUESTION: 1.) Assuming that the leg moves at 0. 9 seconds, compute for the angular velocity. GIVEN: Leg length = 84 cm = 0.84 m Distance of the muscle from the joint = 54 cm = 0.54 m Distance of the weight = 80 cm = 0.80 m Distance of the COM from the joint = 45 cm = 0.45 m Mass = 10 lb = 4.535 kg Linear displacement x = 38.971 cm Or x = 0.389 m
Q2: A particle is thrown at an angle of 30° with velocity of 36 kmph calculate its time of flight and horizontal range. Q3: A wire 10m long of cross section area 1.22 cm? elongates by 1.5 cm when 4.5 kg is suspended from it find: 1. Stress 2. Strain 3. Youngs modulus of the wire
Free-Body Diagrams and Forc Force and Moti Guided Practice Newton's Law, continued Scenario #3: It takes a car 10 seconds to accelerate from rest to a rate of 8 m/s. If the mass of the car is 1200 kg, calculate the net force acting on a car. Free-Body Diagram Formula Calculations Information © Accelerate Learning Inc. - All Rights Resert
You need to push a cupboard by applying a horizontal force F on its side. The cupboard width is L, height is H and mass is m. You are applying the force at a point that is a height h above the floor. The coefficient of kinetic friction between the dresser and the floor is u. The ground exerts upward normal forces of magnitudes Np and No at the two ends of the dresser. a) How much force do you need to apply for the cupboard to move with constant velocity? b) What are the magnitudes of normal forces Np and Na if the cupboard legs are separated by a distance L? c) What is the maximum height h where you can push the cupboard before it tips over? F H Pl Np N.
I need handwritten only skip otherwise handwritten only handed only
Let us say that we have a ladder with its own length (L) and its own mass (m) this ladder just so happens to make a (θ) degree angle with a wall. The center of mass of this ladder is 1/3 of the way up from the bottom (it gets narrower towards the top). A person of mass M then decides to climb the ladder until he comes to the halfway point. Wall has no friction but the ground has on the ladder.. a) Draw this situation and label forces so you may set up the statics equations. b) Find the force on the ladder due to the ground (both x and y components) and the force on the ladder due to the wall.
Hi, I am lookiong for help with this problem.
4. A curious astronaut took her bathroom scale (a spring scale) and a beam scale (compares masses) to the moon. On Earth, she determined that her mass was 124 Ibm. The gravitational acceleration on the moon is a = 5.3 ft/s?.When she reaches the moon: a.) What will she weigh on the spring scale? b.) What will the beam scale indicate for her mass?
Block 1 (19 kg) is setting on the floor of an elevator. A rope pulls vertically up on block 1 with a tension of 10 N. The elevator is moving downward with a decreasing speed and the magnitude of the acceleration is 2 m/s2.On a sheet of paper, draw the free body diagram for block 1 using the two-subscript notation from class. After completing the free body diagram, enter below each force and its x & y-components. Remember that the x-component is the "i" component and the y-component is the "j" component. NET force on Block 1Fnet1 = i + j N FORCES on BLOCK 1Weight force on block 1 by EarthW1E = i + j N Tension Force on block 1 by RopeT1R = i + j N Normal force on block 1 by SurfaceN1S = i + j N
thank you
I need soalution in 10 min please
Hi engineering statics question.