A 0.2 kg ball is bounced off the floor from a vertical height of 1.5m. The ball rebounds upward with 0.6 J less energy than it had upon contact with the floor. To what vertical height of the ball bounce upward? A. 0.30m B. 1.2m C. 0.90m D. 1.5m

Q: 7- The kinetic energy of a 20.0 N object is 5.00×10² J. What is the speed of this object?

A:

Q: 7. A horizontal spring with spring constant 85 N/m extends outward from a wall just above floor…

A: spring constant k=85 N/m mass of horizontal spring m=7.5 kg distance x=3.5 cm mass of sprinter m=…

Q: A 46g golf ball is struck with a 180g golf club. The ball is initially at rest, and leaves the golf…

A: 4) mass of ball = 46 g mass of club = 180 g initial velocity of ball = 0 msfinal velocity of ball =…

Q: tro to Physics class A 500 g block of wood is resting on a table, attached to a spring. You throw a…

A: Given: The mass of the block is 500 g = 0.5 kg. The mass of the dart is 8 g = 0.008 kg. The initial…

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: 1. When .x=0, the spring is unstretched. For the motion when initially x₁ = 100 mm to the moment…

A:

Q: A car of mass 1,000 kg moves with a speed of 5.00 m/s. If the car triples its speed to 15.0 m/s then…

A:

Q: A 721 g toy car is propelled by a spring gun with spring constant k = 89 N/m and maximum compression…

A:

Q: As shown in the figure below, m1=2 kg moves with velocity of 5 m/s on a frictionless surface, and…

A:

Q: A 1.5 g bullet takes 2.0 x 10³ s to exit the barrel of a gun which is 1.0 m long. How much energy…

A: Given data:  Mass (m) = 1.5 g = 0.0015 kg Time (t) = 2.0×10-3 s Initial velocity (Vi) = 0 m/s…

Q: A rubber ball is dropped from rest at a fixed height. It bounces off a hard floor and rebounds…

A: it is given that a A rubber ball is dropped from rest at a fixed height. It bounces off a hard floor…

Q: Moving to the next question prevents changes to this answer. Question 7 The kinetic energy of a…

A:

Q: A 12 kg runaway grocery cart runs into a spring, attached to a wall, with spring constant 230 N/m…

A: Mass (m) = 12 kg spring constant (k) = 230 N/m Maximum compression in spring,      x = 55 cm = 0.55…

Q: solated system

A: Here we will discuss about the characteristics of an isolated system.

Q: 1. An art piece is initially moving along a horizontal frictionless surface. Warren applied a force…

A: Let's check each option one by one A. It has a component that has a same direction as the…

Q: A 4 kg ball falls from height of 29. What willbe potential energy of the ball after 1 second? Use g…

A: Given that: mass, m = 4 kg height, h = 29 m time, t = 1 sec

Q: A 1.15-kg wooden block rests on a table over a large hole as in the figure below. A 5.30-g bullet…

A:

Q: A projectile (m, = 75 g) traveling at v = 535 m/s strikes and becomes embedded in the block (m, = 40…

A: Given: The mass of the projectile is mp = 75 g The initial velocity of the projectile is vp = 535…

Q: high table. The ball rebounds to 1.65 m. How much energy is lost

A: Mass of ball = 65 g. = m = 0.065 kg. Initial height = 2.50 m

Q: A 245 g toy car is sitting on top of a frictionless hill, when it is released, it comes into contact…

A: Given: The mass of the toy car is 245 g. The spring constant is 62 N/m. The maximum compression in…

Q: 1. A 50.0 kg person accelerated from rest to 9.40 m/s. Determine the work that must be done to…

A: Approach to solving the question:Conservation of energyDetailed explanation:2.When the Two objects…

Q: When the speed of your car is doubled, by what factor does its kinetic energy increase? a. sqrt of 2…

A:

Q: A 4 kg ball falls from height of 29. What willbe potential energy of the ball after 1 second? Use g…

A:

Q: A projectile of mass 0.50 kg is fired with an initial speed of 10 m/s at an angle of 60° above the…

A:

Q: A box slides on a frictionless surface with a total energy of 50 J. It hits a spring and compresses…

A: Given that-The total energy with which box slides on a frictionless surface, ET= 50 JCompression in…

Q: A 0.5-kg ball in the air has an initial velocity Vo = [-40 i] m/s + [-40 J] m/s. It falls for a…

A: Given: Mass, m=0.5 kgvelocity, Vo=[-40 i] m/s + [-40 J] m/sInitial kinetic energy, Ki=800 J   We…

Q: For a system having a mass of 1 lb whose velocity increases from 50 ft/s to 100 ft/s while its…

A:

Q: A 4 kg cart moving at 5 m/s collides with a 6 kg cart that is at rest. The collision is perfectly…

A: Mass of cart 1 m=4 kg Initial velocity of cart 1 u1=5 m/s Mass of cart 2 M=6kg Initial velocity of…

Q: A huge truck of mass 10800 kg is moving with the same kinetic energy as a 1200 kg small car moving…

A:

Q: A block of mass 100 g, resting on a frictionless surface, is pushed up against a spring compressing…

A:

Q: Two identical balls leave from the same height at position 1 & 2 with the same speed but at…

A:

Q: When a 59.6 kg athlete stands on top of a spring instrument, the spring shortens by 4.48 cm. What is…

A:

Q: What is Law of Conservation of Mechanical Energy?

A: As per the work-energy theorem, the work done by a force on a closed system can be given as, Here,…

Q: A135 kg mass oscilates according to the equation z- 0.700 cos 8.10t, where z is in meters and t is…

A:

Q: A 5-kg block slides () along a rough () horizontal surface. The coefficient of kinetic friction for…

A: Given : m = 5 kg μk = 0.40 v = 3.5 m/s

Q: Which of the following is NOT an example of potential energy? a. A running woman b. An incredibly…

A: Required : Which is not an example of potential energy.

Q: An object with a mass 100 kg decrease in kinetic energy of 500 kJ and an increase in potential…

A: Given Data: The mass of an object is, m=100 kg The decrease in kinetic energy is, ∆K·E=-500 kJ The…

Q: The Child-Launcher 3000 A super-slide at a county fair has been modified with a horizontal spring…

A:

Q: With his gun at chest level, a hunter taken by surprise as a lion suddenly charges towards him.…

A: Required : Why the lion is hurt but not the man.

Q: A 7.5-kg block slides along a horizontal rough surface (0.6). It's speed was 8 m/s just before it…

A: Given: The mass of the block is 7.5 kg.            The coefficient of friction is 0.6.…

Q: 5. h After: 30⁰ Before: 2 2 m₁ = 2 kg m₂ = 3kg h = 50 cm Mass 1 is released from rest from height…

A: The following problem utilizes the concepts of conservation of energy and the law of conservation of…

Q: 1. Which of the following is NOT an example of potential energy? a. A running woman b. An incredibly…

A:

Q: 42. A 2.0 g bullet initially moving with a velocity of 87 m/s passes through a block of wood. On…

A: The mass of the bullet, m = 2.0 g = 0.002 kg The initial velocity of the bullet is u = 87 m/s  On…

Q: A pitcher throws a 0.186-kg baseball, and it approaches the bat at a speed of 56.6 m/s. The bat does…

A: