4. How work done is related to gravitational potential and kinetic energies? Also discuss the total energy of a system when forces other than gravitational force do work.
Q: 1. A snowboarder is performing tricks on a half-pipe. The half-pipe has a vertical height of 7.0…
A: A half pipe is a semicircular arc used for snowboarding. Both ends have same height. We are given…
Q: 3. A 5 kg block is initially at rest on a horizontal frictionless surface. Two forces, F = (4 – x2)i…
A:
Q: A youngster rides on a skateboard with a speed of 2m/s. After a force acts on the youngster, her…
A:
Q: a) A ball has an initial speed vo = 4.0 m/s. Suppose several external forces act on the ball. After…
A:
Q: 1. A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The…
A:
Q: 5. Fill in the missing potential and kinetic energies in the diagram. Assume that the incline is…
A:
Q: ) A car has a mass of 1000 Kg and moves at a speed of 15 m/s. a) Does the car have kinetic energy?…
A: Answer:- Given Mass of a car = 1000 kg (a) Initial speed (u) = 15 m/s Initial Kinetic energy of…
Q: a) Calculate the work done in lifting a 500 N barbell 2.2 m above the floor. b). What is the…
A: Given Weight of the barbell is F=500 N Height above the ground is h=2.2 m Time taken to lift the…
Q: Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to…
A:
Q: A 5.00-kg package slides 1.50 m down a long ramp that is inclined at 24° below the horizontal. The…
A:
Q: . Jordan is 32kg and walks up stairs. She travels a vertical distance of 2 meters. Determine how…
A:
Q: A force of 6.0 N is used to accelerate a mass of 1.0 kg from rest for a distance of 12m. The force…
A:
Q: 1. Work and Energy Type Question: A rollercoaster comprises a complex path of varying slopes using a…
A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…
Q: work done by Jerome in climbing the staircase.
A: Given: Mass of the person is m=102 kg Vertical distance covered is h=2.29 m Time taken is t=1.32 s…
Q: 3. A sled of mass 70 kg starts from rest and slides down a 10° incline 70 m long. It then travels…
A: The work done by the system on the sled is W=700.76 J
Q: 13. Through what vertical distance does the block rise as it slides up to its highest point on the…
A: Given: Mass,m=500g=500×10-3kgAcceleration due to gravity,g=9.8m/s2Coefficient of kinetic…
Q: 1. a) Calculate the work done when a truck pulls on a load at a 35° angle with a force of 4000 N and…
A:
Q: The work done in stretching a spring-mass system a distance x from its rest position is U = kx² /2.…
A: Solution - We are given that the work done in stretching the spring-mass system a distance x from…
Q: You throw a glove straight upward to celebrate a victory. Its initial kinetic energy is K and it…
A: Given, The kinetic energy of the object, K The maximum height achieved by the object, h
Q: 2. a) A ball has an initial speed external forces act on the ball. After these forces act, the speed…
A: Values given in the question are as follow; Initial speed of ball, v0=4ms first halving of speed,…
Q: 4. A body moves a distance of 10 m under the action of a force that has a constant value of 5.5 N…
A:
Q: what is the kinetic energy in joules of a 1120-kg automobile traveling at 88 km/h? 2. how much…
A: Given, Mass, m = 1120 kg Speed, v = 88 km/h = 88×518=24.44 m/s
Q: 4. A 128.0-N box is pulled up a frictionless ramp inclined at 30° from the horizontal at a distance…
A:
Q: A 3 kg object has a velocity i = (3î + 2j - R) m/s at point A where its potential energy is 10…
A:
Q: Calculate the work done from x=0.0 to x = 7.0 m by the one-dimensional force depicted in the…
A: Note:- The area under the force-displacement graph gives the work done.Given- the graph of one…
Q: Work And Energy True or False 1. True or False Only the net force acting on an object can do work.…
A: Disclaimer:“Since you have asked multiple question, we will solve the first question for you. If…
Q: Calculate the work done by the force of gravity when a 7.0 kg object is lifted to a height of 46.0 m…
A:
Q: Can work ever be negative? Group of answer choices Yes. If the force and displacement have opposite…
A: According to question we need to find--- work done ?
Q: 4. This Olympic skeleton athlete slides down an icy track head first. The track has many twists and…
A: The total energy at the top will be the potential energy of the athlete. The athlete needs to…
Q: Describe a situation where an object is in motion but no physical work is being accomplished.…
A: Consider the situation where a person carrying a suitcase on his head and walking. Now for an…
Q: person pushes a box up an incline with constant force, and after calculating how much work they did…
A: Given work done by the person is greater than the work done by gravity. When we move a body on an…
Q: A grocery cart with a mass of 10 kg is being pushed at constant speed up a 25° ramp by a force Fp…
A:
Q: 2. A 1050 J of work is done by a post-person when pushing a parcel with a mass of 33.2 kg with a…
A:
Q: A student drags a 3 kg box 5 m across a rough floor with a force of 40 N. A frictional force of 10 N…
A:
Q: A large wooden crate is pushed up an inclined plane by a worker. The inclined plane has a rough…
A: Given data: A large wooden crate pushed up an inclined plane Required: The signs for the work done…
Q: A 4.21-kg watermelon is released from rest from the roof of an 27.8-m-tall building. a. Calculate…
A:
Q: 2. A 10.0 kg block is pushed a distance of 8.0 m along a horizontal surface, by a constant…
A:
Q: An object whose mass is 330.693 lb experiences changes in its kinetic and potential energies owing…
A:
Q: 1. Refer to figure 1. The 10.0 kg green cart travels down a ramp - from point A to B. Calculate its…
A: At point A, the cart has only potential energy.
Step by step
Solved in 3 steps with 1 images
