A bomb of mass 30 kg at rest explodes into two pieces of masses 18 kg and 12 kg. The velocity of 18 kg mass is 6 m s¯¹. The kinetic energy of the other mass is

Q: What is work power energy theorem

A: When a force is applied to a body resulting in a displacement, energy transferred to or from object…

Q: Differentiate between work and power.

A: Work and power are two important concepts of mechanics. Both are scalar quantities.

Q: Match the following types of energy: Legs moving the pedals of a bicycle When the bonds of ATP are…

A: 1) to match the types of energy :

Q: what is the power used in this exercise?

A:

Q: Work is energy transferred by

A: Work is done on an object when energy is transferred to the object whereas work is done by an object…

Q: Which of the following is a unit of power? Joule OO kilowatt Btu horsepower per hour

A:

Q: How can Work, energy and Power of the Human Body be applied in health sciences?

A: We know that the energy is a quantity that changes it state, and this energy is further used to do…

Q: Determine the value of work done if force applied on crate is 13 N displace the object by 2 m

A: If we apply a force F on an object and for which the object will displace by an amount x, then the…

Q: Determine potential energy in ball having mass 5 kg having height of 10 m

A: Given Mass of the ball is m=5 kg Acceleration due to gravity is g=9.80 m/s^2 Height of ball is h=10…

Q: How do i calculate work done by frictional force

A: The work done by a force is equal to the scalar dot product of the force and the displacement of the…

Q: All of the following refers to power, except   what is the answer?   a) the rate of doing work by a…

A: answer  Option (d) none of the above i.e all the options a,b and c are correct so except option (d)…

Q: How much work must be done by frictional forces in slowing a 1,614-kg car from 15.6 m/s to rest…

A: Given data:  Mass of car (m) = 1614 kg Initial velocity (Vi) = 15.6 m/s Final velocity (Vf) = 0 m/s…

Q: What are some energy transfers with a bow and arrow?

A:

Q: What are the units of power? a) Newton b) Joule c) Watt d) No units

A: To find: The units of power

Q: can potiental energy be increases with height

A: Introduction: The universe is made up of matter and energy. There are various forms of energy, such…

Q: a bulldozer performs 80000 n-m of work pushing dirt a distance of 16m what is the fore of the dirt

A: Given:W=80000N⋅m (work done),Distance=16m (distance pushed),The work done (W) can be calculated…

Q: Calculate the average power required to raise a 140 kg drum to a height of 15m in 1 minute

A: The potential energy at a height h is P.E=mgh…

Q: A 85 lb mass stretches a spring 3 inches. Find the work done by the force to stretch the spring 7…

A:

Q: Example of mechanical energy

A: Mechanical Energy :-also known as motion energy is the  energy of an object due to its motion or…

Q: how to find if an object has an initial mechanical energy

A:

Q: What role does friction play in the conservation of energy?

A: Friction - When surface of one object moves on the surface of other object then a resistive force…

Q: The unit for energy is O Juwel O None of the choices Newton x meter O Watt

A: The energy is a quantitative property that is transferred from a physical system to perform the…

Q: Power is expressed by which of the following units?

A: Solution

Q: caclualte the work done to pull a block a box has 50 kg on horeziontal plane with a friction 0.5 for…

A: Required :: The work done to pull a block a box has 50 kg on horizontal plane with a friction 0.5…

Q: How static energy may relate to static stretching

A: in above question we have to tell how static stretching relate with static energy.

Q: If you do 29 J of work in 2.1 seconds, how much power was generated? Round to the hundredths place…

A: Given  Work done (w)  = 29 J  Time taken ( t ) = 2.1 s   Power is definined as rate of work done .…

Q: A weight lifter raises a 87 kg barbell to a height of 1.8 m. what is the barbell's potential energy…

A: Mass of the barbell,  Height raised,  Acceleration due to gravity,    The potential energy of the…

Q: It is important to consider direction when solving conservation of energy problems.  True or False?…

A: Energy neither be created not be destroyed. So that means energy can come from any where and it…