If mass (m) is doubled and velocity (v) is halved then _____ a) Kinetic energy decreases by half b) Potential decreases by half c) Momentum decreases by half d) Potential and kinetic energy remains unchanged

Q: 38)) How many joules would the change in potential energy be when an object with a mass of 8 kg…

A: Given : m = 8 kg h1 = 15 m h2 = 20 m g = 10 m/s2

Q: A particle starts from rest and accelerates as shown in Figure. Determine the particle's speed at t…

A: Initial speed of the particle is u = 0 m/s  Time is t = 10 s .

Q: What is the relationship between potential energy, kinetic energy and mass

A: To relate potential energy , kinetic and mass.

Q: How can we calculate the kinetic energy of an object?

A: Kinetic Energy :- The energy which is because of the motion of an object is know as the kinetic…

Q: Define the distance of closest approach. An a-particle of kinetic energy ‘K’ is bombarded on a thin…

A: Suppose α-particle of kinetic energy (K) is bombarded on a thin gold foil. The three observation are…

Q: 2)  If the net work done on an object is zero, then the object's kinetic energy A) decreases. B)…

A: using Work Energy theorem the net work done on an object is equal to change in the object's kinetic…

Q: Which of the following type(s) of energy is/are present when there is no visible motion? A)Thermal…

A: Thermal energy : Thermal energy is energy possessed by an object or system due to the movement of…

Q: A moving electron has a Kinetic Energy K1. After a net amount of work is done on it, the electron is…

A:

Q: type your answer. tells how fast work is being done or how fast energy is being transferred.

A: Given information: It is mentioned that which parameter tells us how quickly the work is done.

Q: The work required to accelerate an object on a frictionless surface from speed v to 2v is a. You…

A:

Q: An object at rest may have   A) Momentum B) Potential energy C) Velocity D) Kinetic energy

A: Given that -  Object is at rest means velocity is zero.  v= 0

Q: 1,200 kg 19.44 m/s 7.

A:

Q: Use conservation of energy to determine the unknown energies. reference level Erot = 7000 J Erot = f…

A: Given  Initial tatal energy Etot=7000J and initial gravitational potential energy GPE=7000J   Since…

Q: Determine the height Potential energy=3000J Mass of object=10 kg

A: Given : Potential energy = 3000 J Mass of object = 10 kg

Q: Tow masses are connected by a light string passes over a light frictionless pulley as shown in…

A: Given: The mass of the second object is 5.0 kg. The mass of the first object is 3.0 kg.

Q: An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of : A)…

A: The kinetic energy is given by  K = 0.5 mv2  where, m is the mass and v is the speed.

Q: A camera weighing 10 N falls from a small drone hovering 20 m above it and enters free fall What is…

A: Given: Weight,W=10NHeight, measure from ground,h=20m The potential energy that a massive object has…

Q: A monkey is 4 metres above ground in a tree when he falls. His mass is 3 kg A) find his potential…

A:

Q: a). Which of the following is NOT a unit of potential energy: a)J,  b) kg*m/s^2, C) kg*m^2/s^2, D)…

A: a) unit of potential energy are     hence option C is not unit of potential energyb)we know change…

Q: Potential Energy

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Q: A little boy has mass (m) and a girl who has mass (2m) are standing still at an ice skating rink.…

A: SOlution:

Q: Given below is the table for Potential Energy and Kinetic Energy experiment. Complete the table.…

A:

Q: Is it possible for the 1) yes kinetic energy of an 2) no object to be negative?

A: Kinetic energy of an object is a kind of mechanical energy which relies on the mass of the object…

Q: Which of the following is equal to the Joule, a unit of energy?

A:

Q: 8) A baseball of mass m arrives at a batter with speed v. The batter swings, and hits the ball. The…

A: The workdone by the bat is nothing but the change in the kinetic energy of the ball. So, all we have…

Q: Write the kinetic, potential and total energy of a baseball having a mass of 0.145kg held 10 meters…

A: 1) Potential energy of baseball at height of 10 m above ground .and having mass 0.145kg PEi = mgh…

Q: In an experiment, a small 20 W motor is used to lift a 100 g mass through a vertical distance. a) if…

A: The objective of this question is to calculate the potential energy gained by the mass and the…

Q: Compute the speed of a proton after it passes from rest through a 2-Megavolt potential difference…

A: Given data, Mass of proton = 1.67x10-27 kg Potential difference = 2 MeV

Q: Problem A moving electron has a Kinetic Energy K1. After a net amount of work is done on it, the…

A: The initial kinetic energy K1 of the electron is,  K1=12mv21 ----1  Here, m is the mass of the…

Q: Consider 2 balls A and B of the same mass. The potential energy of ball A is thrice that of ball B.…

A: Given: Consider 2 balls A and B of the same mass. The potential energy of ball A is thrice that of…

Q: oblem hoving electron has a Kinetic Energy K1. After a net amount of work is done on it, the…

A:

Q: Megatron's primary weapon is a mounted canon that uses fusion to generate its output energy. a) If…

A: Given: Mass,m=10,000kgDistance,s=25.5mInitial Velocity,u=10m/sFinal Velocity,v=0m/sTime,t=5s a) The…