22. Tarzan is running at top speed 28.8 kph and grabs a vine hanging vertically from a tall tree in the jungle. How high can he swing upward? a. 3.262 m b. 3.162 m c. 3.362 m d. 3.062 m a b C d.
Q: A 75 kg runner has a speed of 5.45 m/s. What is the runner's kinetic energy?
A: Mass of the person is m=75 kg Speed of the person is v=5.45 m/s Note: 1 N=1 kg·m/s2 1 J=1 Nm 1…
Q: in Q3. A 7kg bowling ball moves at 3m/s. How fast must a 2.45g Ping-Pong ball moves so that thecwo…
A:
Q: 4. A spring has a spring constant, k = 10000 N/m. How much potential energy is stored in the spring…
A: Given data, Spring constant k=10000 N/m Change in length x=1 cm=0.01 m
Q: A 300 g block is dropped onto a relaxed vertical spring that has a spring constant of k = 3.0 N/cm…
A:
Q: Q10: A block having a mass of 1.0 kg is given an initial velocity VA-1.6 m/s to the right and…
A:
Q: 9. How much work must be done to extend a spring by 1.50 cm from its relaxed length if its spring…
A: Work: Work done on an object is defined as the scalar product of the force vector and the…
Q: A child and sled with a combined mass of 52.5 kg slide down a frictionless hill that is 7.08 m high…
A:
Q: Old-fashioned pendulum clocks are powered by masses that need to be wound back to the top of the…
A: The three masses of one particular clock are; The height at which mass drops is,
Q: 3. The principle of work and energy. A particle of mass m moves along a curve under the action of a…
A: Solution: A particle of mass m moves along the curve under the action of force vector F. Let us take…
Q: A bungee jumper jumps off a bridge and bounces up and down several times. She finally comes to rest…
A: The energy stored in the spring is U = 0.5 K y2 where, K is the spring constant and y is the…
Q: 3. A slingshot rubber band with a spring constant of 850 N/m was stretched 0.33 m. A 0.4 kg rock was…
A:
Q: Timmy is on the high dive (h=10m) at a local pool. Assuming Timmys mass is 65kg. a. What is his…
A:
Q: 4. A 4.0 kg object has a velocity of 3i m/s at one instant. Eight seconds later, its velocity is (8i…
A: Mass of the object m=4 kg, initial velocity of the object u→=3i^ m/s and final velocity of the…
Q: 1. A cart of mass 2.4 kg rolls without friction on the track shown. At point A the cart is moving at…
A: a) by mechanical energy conservation Kf + Uf = Ki + Ui (1/2)mvb2 + mg(1.7) = (1/2)m×72 + mg(0.3)…
Q: You drop a ball of weight 5.00 N from rest from a certain height above the floor into free fall.…
A: The potential energy is a type of energy which depends upon the relative position of the body. The…
Q: The thrust generated by one jet engine creates a force of F = 51000 N. It takes the jet (with a mass…
A: The magnitude of the thrust is The mass of the jet is .The take-off distance is
Q: When an object is launched horizontally, what is the initial vertical velocity? a. 0 m/s b. It's…
A: When an object is launched horizontally, what is the initial vertical velocity? When an…
Q: A roller coaster, which has the world's largest drop at 418 ft. A fully occupied car has a mass of…
A:
Q: A 8.3 kg weather rocket generates a thrust force of 200 N. The rocket, pointing upward, is clamped…
A: Mass, m=8.3 kg Spring constant, k=500 N/m Stretched length in spring, x=35.7 cm =35.7 x10-2 m
Q: 43. A 200 g mass stretches a spring 40 cm. How much Potential energy does the spring have? A. .392 J…
A:
Q: 6s oss The electric motor of a model train accelerates the train from rest to v in 97.0 × 10-³ s.…
A:
Q: A rope swing is hung from a tree right at the edge of a small creek. The rope is 5.0 m long; the…
A:
Q: A horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel…
A: As the angular speed of the cart is omega and its constant, Its speed will increase when it moves…
Q: Jane, looking for Tarzan, is running at top speed, 5.60 m/s, and grabs a 10.5 m long vine hanging…
A: Draw the schematic arrangement of the system as shown below:
Q: 1. A ball is thrown vertically upward until it reaches a height of 5 yards. Find the initial…
A: Given, An object is in motion
Q: 4. A 12 N object is attached vertically by a string to a frictionless car that runs along a level…
A: Given: The weight of the object is 12 N.The mass of the truck is m.The initial speed of the truck is…
Q: A frictionless plane inclined at 21° above the floor has length 3.3 m. A block starts from rest at…
A: Given data: Initial velocity (u) = 0 m/s Angle of incline (θ) = 21° Length of inclined plane (L) =…
Q: At the Earth's surface, a projectile is launched straight up at a speed of 7.7 km/s. To what height…
A: Given, Speed = 7.7 km/s We need to calculate, Height =?
Q: A block of mass 2.0 kg is moving to the right and changes its speed from 3.0 m/s to 1.0 m/s. Match…
A: Given data: Mass (m) = 2.0 kg Initial velocity (Vi) = 3.0 m/s Final velocity (Vf) = 1.0 m/s…
Q: A skier at the top of a 12-m-high ski slope has an initial speed of 4.0 m/s. What is the speed of…
A: Given data: Initial height (hi) = 12 m Initial speed (u) = 4.0 m/s Final height (hf) = 3.0 m…
Q: A small block slides down a frictionless track whose shape is described by y = (x^2) /d for x0. The…
A: The frictionless track is described by y=x2d, x<0y=-x2d,…
Q: An object is thrown vertically upward from the ground level. It reached a maximum height H. If air…
A:
Q: A spring with a spring constant of 100 N/m is stretched by a force of 10 N. What is the elastic PE…
A: 1. According to the given question, here, a spring having a spring constant is, K = 100 N/m Is…
Q: 5. What is the kinetic energy of a box of mass 0.75 [kg] sliding on a frictionless surface at a…
A: mass of box (m) = 0.75 kg constant speed (v) = 3 ms
Q: An object moving at 21.0 m/s has 1390 J of kinetic energy. What is the object's mass? A. 6.30 kg B.…
A: Given Object speed = v = 21.0 m/s Kinetic energy = K.E = 1390 J We have to calculate object's mass
Q: It takes 1.81 J of work to compress a spring 13.1 cm. What is the force constant of the spring in…
A:
Q: The spring in a dart gun has a spring constant of 20.0 N/m. The spring is compressed 8.00 x 10-2 m…
A: Given data: Spring constant (k) = 20.0 N/m Compression in spring (x) = 8.00 × 10-2 m Mass of dart…
Q: 3. When the speed of your car is doubled, by what factor does its kinetic energy increase? a. sqrt…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
