object has 40 J of potential energy, it is then dropped. 1/4 of way down, how much combined potential and kinetic energy does it have?
Q: A bag of wheat weighs 4 kg. To what height should it be raised so that potential energy is 12 J?…
A: Given data, Acceleration due to gravity = g Potential energy = P.E Mass of the bag =…
Q: Problem 9: A 87.6 kg person starts at rest at the top of a slide that is 14.3 m tall. At the…
A:
Q: The figure represents the work curve. How much work is done? 4 5 x (m) F (N) 0
A: Given is Force vs displacement curve. we know that work done is equal to the dot product of force…
Q: A bag of wheat weight 2300 kg .To what height should it be raised so that potential energy is 7890J?…
A:
Q: A child is standing on top of a 15ft hill, getting ready to run down all the way to the bottom. If…
A: Introduction: The energy of a body is stored in the form of potential energy due to the height…
Q: A box is pulled 20m across a warehouse by a 50N force. The force makes a 35° angle with the…
A: Given that, Force = 50 N In first case, Distance = 20 m Angle = 350 In second case, Distance 10 m…
Q: An archer pulls a bow string back 0.40 meters by exerting a force that increases linearly from zero…
A: Given: The extension in the string is 0.40 m. The force exerted by the string is 460 N.…
Q: A 6 kg ball falls from height of 32. What willbe potential energy of the ball after 1 second? Use g…
A: The given values are: mass m=6 kg height h=32m time t=1 sec
Q: 10kg object is raised to a height of 20m. What is the magnitude of its potential energy? (Assume g =…
A: Given: object of mass = 10kg height = 20m g = 10 m/s2
Q: A horizontal rope with 15 N tension drags a 25 kg box 2.0 m to the left across a horizontal surface.…
A:
Q: How much work does air resistance do on a 1.5 kg ball dropped from 1 meter if the speed right before…
A:
Q: A 4 kg ball falls from height of 29 . What willbe potential energy of the ball after 1 second? Use g…
A: Given data: mass m = 4 kg height h = 29 m time t = 1 sec
Q: A 2.3 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy…
A:
Q: d (A) Figure 1: 1. The potential energy U for figure 1A is Q- - Q -9 4 KQ.Q U-S S (True, False)
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: a mango of 3 g ia at a certain hight above the ground. the mango has a potential energy of 7J.…
A: Given m=3 g= 0.003 kg g=9.8 m/s^2 PE=mgh=7 J h=7/(9.8*0.003) = 238.095238 m u= initial velocity = 0…
Q: The figure represents the work curve. How much work is done? 因 0 5 x (m) F (N)
A: Answer : Work-done is nothing but the area under that straight line in the above Force-Displacement…
Q: Darth Vader uses the Force (fitting name for it in this example) to lift an enemy rebel into the…
A: Any force acting on an object displaces the object by some distance. So this applied force does some…
Q: A weight lifter raises a 125 kg barbell from the ground to a height of 2.0 m. What is the barbell's…
A: Given Mass m = 125 kg Height h = 2.0 m
Q: Jake pushes a 3.0 kg box 7.0 m across the floor with a force of 12 N. She then lifts the box to a…
A:
Q: If A 29-kg child starts from rest and slides down a slide that is 2.6 m high. At the bottom of the…
A: Given parameters : Mass "m"= 29kg Height "h"= 2.6m Final Velocity "v"= 2.5m/s . Concept :…
Q: A father pushes his child weighing 100. pounds on a sled on a frictionless surface. How much work…
A: Work done is defined is defined as the product of force and displacement. Again from newton's second…
Q: A 450-kg pile driver is raised 15 m above ground. a) Assuming it is raised at a constant velocity,…
A: Write the given values with suitable variables. m=450 kgh=15 m Here, m denotes the mass and h…
Q: A massless spring hangs from the ceiling. How much does its potential energy increase, if a 28.8-kg…
A: Equate the weight and the force acting on the spring.
Q: 102 kg man climbs a 3.2 meter high staircase at constant speed. How much work has he done? (=9.8 m/s…
A:
Q: A car of wheat weight 120 kg . To what height should it be raised so that potential energy is 2320…
A: Given data The weight of the wheat car is given as m = 120 kg. The potential energy is given as PE…
Q: A motorcyclist runs out gas on a level road 250 m from the gas station. she pushes the 220 kg…
A:
Q: A 430g book is dropped froma height of 1.9m. What is the kinetic energy of the book at the moment it…
A: Kinetic energy gained equals the change in potential energy. Ekinetic=Utotal-Uhalfway=mgh-mgh2=mgh2
Q: If we know that a force of 5 N is applied on an object while the object moves 2 m, can we determine…
A: Given : F = 5 N d = 2 m
Q: An acorn falls from
A: Kinetic energy = (1/2) mv2 Potential energy = mgh
Q: A cowboy shoots a pistol in the air when he rides a horse into a small town. The muzzle speed is…
A:
Q: A ball toy of mass 22.7 g is thrown straight up with an initial speed of 2.8 m/s. Neglect air…
A:
Q: A 150-N crate slides with constant speed a distance of 10 m downward along a rough slope that makes…
A: The crate, having a 150 N weight is sliding down the incline at a constant speed. This means that…
Q: An 85 kg mountaineer is reaching the top of Mt. Fuji that is 3.76 km high. The mountain makes a…
A: Given that, Mass of a mountaineer, m = 85 kg The mountaineer is reaching the top of Mt. Fuji that is…
Q: Humans can produce an output power as great as 20 W/kg during extreme exercise. Sloths are not so…
A:
Q: Benny high on the diving board has a gravitational potential energy of 1,089 J at this point. Then…
A: Given, Initial gravitational potential energy = 1089 Initial Kinetic energy = 0 J Final potential…
Q: An object with an initial potential energy of 40 J is dropped from rest. After a while, its…
A: Initial potential energy is PEinitial = 40 J Potential energy after a while is PEfinal = 10 J…
object has 40 J of potential energy, it is then dropped. 1/4 of way down, how much combined potential and kinetic energy does it have?
Step by step
Solved in 2 steps
