ength L= 31 cm
Q: Find the work done when lifting a 45 lb crate from the ground up onto a 7 ft high shelf.
A: Given in question - Force(F) = 46 lb Displacement(D) = 7 ft To…
Q: O Question 9 In the circuit shown in the figure, all the lightbulbs are identical. Which of the…
A: The brightness of bulb can be calculated by
Q: 25. It is defined as the rate at which work is done. mechanical energy O power work O joule O o o O
A: The work can be expressed as, W=Fs Here, F is the force applied, and s is the displacement caused.
Q: 11₁ 12 b) This is a continuation of the previous question. Suppose you consider the Earth's magnetic…
A: We will answer the question using the formula for force between parallel wires.The force between two…
Q: 15. A 1-kg object with an initial velocity vo of 14 m/s falls from a height of 240 m and buries…
A: Here, calculating the necessary force exerted by the object on the sand is solved with the help of…
Q: Q21. Two bugs, Buzz and Crunchy each of mass 0.50 kg, are sitting on a spinning disk on a horizontal…
A:
Q: Question 8 Two resistors of 12.0 Ohms and 20.0 Ohms are connected in parallel to a battery potential…
A:
Q: Calculate the force needed to do 500 J of work while pulling a cart a distance of 3.4 m.
A:
Q: The change in electric potential AV for a path starting at B and going to C is: a Negative. b.…
A:
Q: 4. A block of mass m is connected to a spring of spring constant k and is initially at the top of a…
A: According to Work-Energy theorem the change in kinetic energy of a system is equal to the work done…
Q: You carry a 20. N bag of potatoes up a 5.0 m flight of stairs in 26 seconds. How much work was done?…
A:
Q: QUESTION 3 Which of the following best represents the free-body diagram for M₁? A A OB C C O B C D
A: Determine, Free body diagram for block M1
Q: 2. Are you doing work in these situations? Also a question from your PHYS1111 class.
A: Work done is force that cause a body to move. It is the product of force and displacement.
Q: 13. An air-conditioning unit is fastened to a roof that slopes at an angle of 35° above the…
A:
Q: based on the definition work vs. energy provide an example of work vs. energy in your daily life.
A: Given Data: Work vs. energy To Determine: An example of work vs energy in daily life.
Q: Explain the work you had done when running and walking in the stairs
A: Work done is defined as the product of the displacement (d) and the force acted in the direction of…
Q: As you keep adding more resistors in a single current loop, the current flowing through the battery…
A:
Q: frictional forces in slowing a 1,645-kg car from 10.1 m/s to rest? Calculate to one
A: Work done = change in kinetic energy W = ∆K W = 1/2 m v2 Given m= 1645 kg V final = 10.1 m/s V…
Q: Calculate the work done by a force of 41 Newtons that moves a box through a displacement of 26…
A: Given data: Force (F) = 41 N Displacement (d) = 26 m Required: Work done (W)
Q: A skier traveling 12.5m/s reaches the foot of a steady upward 21.7151 incline and glides 17.25655m…
A: Write the given values with the suitable variables. u=12.5 m/sθ=21.7151°d=17.25655 mv=0 m/s Here, u,…
Q: A constant 7.8-N force pushes a small ball in the direction of the force over a distance of 3.8 m.
A:
Q: Q9. A Martian lander is approaching the surface. It's slowing its descent by firing its rocket…
A: Solution:-Given that
Q: Question 6 A circuit contains a 10.0 2, a 12.0 2, and a 6.0 52 resistor. Calculate the maximum…
A: Let Maximum resistance R = ?
Q: How much work is it to lift a 25 kg sack of cement vertically 4.3 m?
A: Given , Mass of sack of cement (m)= 25 kg Sack of cement lifted vertically h= 4.3 m
Q: ! Required information A 434-kg pile driver is raised 12.8 m above ground. How much work must be…
A: Mass of pile driver (M) = 434 kg Height upto which it is raised (h) = 12.8 m
Q: .) E
A: Given: The volume and pressure of the state A,B and C is given.
Q: it takes less time to complete a task using the same amount of work, it can be said that power A.…
A:
Q: 5. Calculate the work being done on 2000 N crate, being lifted 2 meters off the ground by a crane.…
A:
Q: Question 4 How long in minutes will it take a 1-kW. 230-volt percolator to raise the temperature of…
A: Given data The power of the percolator is P = 1 kW = 1000 W The mass of the water is m = 1.8 kg The…
Q: Explain what does work do to the total amount of energy?
A: Work is said to be done when a force is applied through a distance.This means that when a force is…
Q: Transverse waves on a string have a wave speed of 8 m/s, amplitude 0.07 m and wavelength 0.32 m. The…
A:
Q: an example of work kinetic energy expression
A: Work-Energy Theorem: The change in kinetic energy of a body equals the net work performed on it,…
Q: Work can be conserved True or false
A: Work cannot be conserved in the same way that energy is conserved. In physics, the principle of…
Q: 2 m/s 4 m/s A Calculate the net work from point A to B given the mass equals 6 kg.
A:
Q: 1,600 kg bus accelerates from rest to a speed of 50 m/s, find net work done for truck
A: Given data: Mass (m) = 1600 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 50 m/s Required:…
Q: Determine the work done in lifting a 50-pound object 4 feet.
A:
Q: If you are in a car that is being pulled down a 56.0 m path with a force of 12.5 Newton’s (N), what…
A: Write the given values with suitable variables. d=56 mF=12.5 N Here, d denotes the distance and F…
Q: Potential energy
A: Given Mass m =30 kg g =9.81 m/s2 h =5 m
Q: Question 14 A lightbulb has a power rating of 60 W. If the bulb is connected to a 120 V input, how…
A:
Q: In one day, a 75-kg mountain climber ascends from the 1500-m level on a vertical cliff to the top at…
A:
Q: A ball of mass m and radius ris placed next to a step of height ½ r. F m 0.5r Reference: Ref 12-1…
A:
Q: How much work (in J) is done when a force of 888.0 N is exerted while pushing a crate across a level…
A: Given that, Force = 888.0 N Distance = 1.32 m
Q: If you double the force and double the distance, work is increased by A. Three times (work…
A: Required : If you double the force and double the distance, work is increased by..
Q: 9. A force of 60lb is used to push a 150lb crate 10ft across a level warehouse floor. How much work…
A: Given: A force of 60lb is used to push a 150lb crate 10 ft across a level warehouse floor.
Find needed amount of work
Step by step
Solved in 3 steps
