ly too carried away doing physics experiments, crashes his 1200 kg car into to a stationary 1500 kg car.  The resulting pileup pitches forward 1 m after the collision.  Assuming a coefficient of friction of 0.2, what was Mike’s initial velocity?  How much work wa

Q: There is a 2 car accident. Car 1 (1550 kg) slides on ice at 15m/s and it runs into another car…

A: Mass of car 1 is m1 = 1550 kg Speed of car 1 initially is u1 = 15 m/s Mass of car 2 is m2 = 3250 kg…

Q: Solve the following question using the concepts of work and energy: A giant alien invader is…

A: Givend=100 mv=26 m/sm=6.32×104 kgf=2.43×105 Nkinetic energy of alien,E=12mv2  =12×6.32×104 kg×262…

Q: Sandy and Chris stand on the edge of a cliff and throw identical mass rocks at the same speed. Sandy…

A: It is given that Sandy and Chris stand on the edge of a cliff and throw identical mass rocks at the…

Q: Provide an example of a situation that would help explain the concept of "zero work", in regards to…

A: In physics the work may be defined as the dot product of force and displacement. By dot product of…

Q: A student at another university repeats the experiment you did in lab. Her target ball is 0.860 m…

A:

Q: Object A and B have 25 J of kinetic energy. Object B has one-quarter the mass of object A. a.…

A: Kinetic energy of obejct A and B is Mass of obejct B is Work done on each object is Find:(a) The…

Q: A baseball has a mass of 0.145 kg. In batting practice a batter hits a ball that is sitting at rest…

A: Part-I: Given: The mass of the baseball is 0.145 kg. The initial speed of the ball is 0 m/s. The…

Q: Question IT Two farmers are pushing on a gate with forces FA and FB, applied at locations A and B…

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Q: kinetic energy in joules

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Q: A car whose weight is 20,000 N (meaning that its mass is about 2000 kg) is travelling at constant…

A:

Q: Deep in the forest, a 17.0-g leaf falls from a tree and drops straight to the ground. If its initial…

A: Given data: Mass (m) = 17.0 g = 0.0170 kg Initial velocity (u) = 0 m/s Initial height (h) = 5.30 m…

Q: During the pitching motion, Clayton Kershaw exerted an average horizontal force of 60 N against the…

A: The horizontal force applied to baseball                                F = 60 N Mass of baseball…

Q: 10. For the Atwood's machine shown. Initially mass m2 is moving upward with initial velocity 0.74…

A:

Q: Releasing some frustration at the end of the semester, you throw your physics book (mass of 2.7 kg)…

A: Given: m=2.7 kg h=25 m v=6 m/s Thermal energy=284 J

Q: Pam, wearing a rocket pack, stands on frictionless ice. She has a mass of 45 kg. The rocket supplies…

A: Given-          Mass,   m= 45kg          Displacement,   d= 22m          Initial speed ,u =…

Q: During an investigation of kinetic energy, a student was measuring the speed of an object using…

A:

Q: A shooting star is a meteoroid that burns up when it reaches Earth's atmosphere. Many of these…

A: Given data The mass of the meteoroid is mm = 5.64 g. The velocity of the meteoroid is vm = 48.1…

Q: Problem#4: How much kinetic energy a nail with a of 8.5 g can mass acquire when it is struck by a…

A: Given: The mass of the nail is 8.5 g. The mass of the hammer is 0.5 kg. The initial speed of the…

Q: - Who did more work? Explain

A: Solution : Work done (W) via Force (F) is equal to the change in Kinetic Energy (K.E) W = ∆K.E  W =…

Q: How fast (in meters per second) must an iron ball with a mass of 42.2 g be traveling in order to…

A: Given,Mass of the iron ball, m = 42.2 gKinetic energy of the ball, KE = 12.49 J

Q: A 1.100 kg block slides down a frictionless inclined plane (height 0.800 m), moves across a rough…

A: mass of first block (m) = 1.1 kg Initial height of first block (h) = 0.800 m work done by friction…

Q: saltwater crocodile (Crocodylus porosus) with a mass of 521 kg, is seen chasing prey and reaching a…

A:

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: MY NOTES ASK A 7.80-g bullet moving at 510 m/s strikes the hand of a superhero, causing the hand to…

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Q: QUESTION How does the answer for the work done by the applied force change if the load is doubled? O…

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Q: Problem#1:A 11-g bullet has a speed of 26 km/s. a) What is its kinetic energy in joules?

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Q: The tree topper is accidentally knocked off of a Christmas tree giving it an initial speed of 15…

A: In  this question, mass of the ornament is not given. Therefore, the speed of the ornament is…

Q: Your friend is pushing a crate. The crate is so heavy of 120 kg of mass that it is moving very…

A: Mass of crate, m=120kg Initial speed of crate, u=2m/s Final speed of crate, v=5m/s Let the work done…

Q: A 20 g bug is hovering in the air. A gust of wind exerts a force F = (5.0 î + 2.0 j) × 10-2N c the…

A: Due to force acting on the bug by wind, work will be done on the bug which is dot product of force…

Q: Nahed weighs 55 kg, she uses her scooter of mass 5 kg to go to her nearby friend's house. Her speed…

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Q: It is generally a good idea to gain an understanding of the "size" of units. Consider the objects…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: For its size, the commonflea is one of the most accomplished jumpers in the animal world.A…

A: Given The height cover by the flea is h=20 cm=20×10-2 m. The mass of flea is m=0.50 mg. By the…

Q: Jane and Jake are looking at what happens to body 1 of mass m and body 2 of mass 2m, initially at…

A: The mass of the body 1 is m and the mass of the body 2 is 2m. Assume that equal force is applied on…

Q: Two blocks are free to slide along the frictionless wooden track as shown in the figure. The block…

A: m1 = 5 kg h = 5 m m2 = 10 kg

Q: help?

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Q: A ball (A) of mass m 0.10kg is introduced inside a launcher (see diagram below). The launcher exerts…

A: Given data: The time dependent force is, Ft=Fc1+e-100t Mass of ball is m=0.10 kg.

Q: Releasing some frustration at the end of the semester, you throw your physics book (mass of 2.7 kg)…

A: Given Mass of book ( m ) =2.7kg Height of building ( h ) = 25m Initial velocity ( u ) = 6m/s

Q: It is generally a good idea to gain an understanding of the "size" of units. Consider the objects…

A:

Q: In the pitching motion, a baseball pitcher exerted an average horizontal force of 80 N against the…

A: The objective of the question is to find out the work done by the pitcher on the baseball and the…

Q: An object is acted on by the force shown in the figure(Figure 1). What is the final position of the…

A:

Q: Procopio is driving a car (m 1000 kg) at v = 11.11 m/s when he stepped on the brakes. The car…

A: mass of the car, m = 1000 kgintial speed, v1 = 11.11 msdistance traveled by car before comming to…

Q: Two blocks are free to slide along the frictionless wooden track as shown in the figure.  The block…

A: m1=5kgheight of the block=5mpotential energy=mghm2=10 kg at restall the potential energy of block 1…

Q: A 4 kg particle has an initial velocity of (6i-3j) m/s. Some time later, its velocity changes to…

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Q: A lab cart with a mass of 567 grams has an initial speed of 1.23 meters per second. While the cart…

A: Given Datamass of cart m = 567 g = 0.567 kginitial speed u = 1.23 m/sdistance s = 35.3 cm = 0.353…