What is the kinetic energy of a 3000 lb. automobile which is moving at 33 fps?

Q: 21 a 1550-kg car moving at a constant speed of (900 km/hr) Its takes (16,000W)to keep it on alevel…

A: Given data: Mass of the car = 1550 kg Speed of the car (v) = 900 km/h…

Q: 2- A body has a mass of 80 kg its velocity increases from 100 m's to 220 m's and its elevation…

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Q: Give two examples for centrifugal force and centripetal force, Inertia and Momentum each and explain…

A: centrifugal force: This is the virtual force, when body is in a circular motion it acts outwards…

Q: Find the value of height to be raised of crate of mass 10 kg to achieve potential energy of 1000 J

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Q: Consider an isolated system that is, one that does not interact with its surroundings. In this case

A: Isolated system is defined as the system where mass and energy interaction is zero. So, in the…

Q: What is the internal energy of the system and how can it be changed?

A: Explanation  Internal Energy : Internal energy of the system is the total energy contained within…

Q: A car is moving on a straight road at 12 m/s .it is accelerated at 13 m/s?. What will be it's…

A: Given data :     Acceleration  =  a     Time  =  t    Initial velocity  =  u       To find :…

Q: Find the kinetic energy associated with car of mass 35 kg moving with velocity 10 m/s

A: Given data:-  Mass = 35 kg Velocity = 10 m/s Find kinetic energy .

Q: Find the kinetic energy stored in car of 30 kg moving with velocity 24 m/s

A: Given data : Mass of car=m Velocity of car=V   To find : Kinetic energy

Q: 3. How much heat is released by a system when 45Jof work is done on it to decrease energy to 23 J

A: Given Data Work done on the system is : W=45 J Decreased energy of system is : ∆E=-23 J Now from…

Q: Find the kinetic energy stored in body of mass 1 kg moving with velocity 2.3 m/s

A: Given data : Mass of body=m Velocity=V   Required : Kinetic energy

Q: 1. Calculate the potential energy in the spring when the collar is at A. VspA = ______ ft-lb 2.…

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Q: Find the potential energy of a 2 kg rock held 3 meters above the ground.

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

A: Given data : The value of height=h The value of mass=m The value of acceleration due to gravity=g…

Q: A 1-slug mass has a kinetic energy of 1 ft.lb when its speed is a. 0.25 ft/s c. 1 ft/s b. 1.4 ft/s…

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Q: When the summation of internal forces is zero?

A: When all the external forces acting on a rigid body tend to cancel out each other, the summation of…

Q: The energy required to raise the temperature of a unit mass of a substance by one degre, explain it.

A: The amount of energy that is required to raise the temperature of the unit mass of a substance by 1…

Q: Why do we calculate/measure power? (From engines, electricity, etc.)

A: Measuring power of different equipment is so important due to following reason  ,

Q: An electric water heater has a capacity 1200 kw and is used in heating water from 16°C to 40°C for…

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Q: Given data m-20 kg g-10 m/s2 h-2 m Find Potential energy

A: Given data : Mass=m Acceleration due to gravity=g height=h   Required : Potential energy

Q: 2) a 1550-kg car moving at a constant speed of (900 km/hr) Its takes (16,000W)to keep it on alevel…

A:

Q: Find the potential energy of a 2 kg rock held 3 meters above the ground.

A: Given data : Mass of rock is denoted by m Height above ground is denoted by h Acceleration due to…

Q: n wall then the work done by force on wall

A: given: when  a force is applied on wall then the work done by force on wall is?

Q: An electric motor is used to drive the shaft of a small water pump. During a performance test, the…

A: Given data,  Torque T= 5.014 N.m  Power P= 638.52 W  Need to calculate N

Q: Can kinetic energy negative?

A: Kinetic energy is the energy allied with the motion of the particles. Since it’s an energy it is…

Q: Find the kinetic energy if mass of car 200 kg moving with velocty of 25 m/s

A: Given data : Mass of car=m Velocity of car=V   To find : Kinetic energy

Q: A ball is moving with a velocity of 5 m/s. Its velocity is decreasing at the rate of 1.08 m/s². What…

A: Ans:initial velocity of ball u=5m/sacceleration a=-1.08 m/s2final veloctiy of ball after t=9 sec…

Q: Find the work done by a variable force in two dimensions?

A: The work is said to be done by a force if force results in the displacement of the body in the…

Q: The flow of energy into and out of a system is known as

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Q: box has a mass of 8.3 kg. The box is lifted from the garage floor and placed on a shelf. If the box…

A: Mass of the box (m)=8.3 kg Potential Energy gained by the box (PE)= 282 J Acceleration due to…

Q: A block sits on top of a 15 m high wall. The brick has a mass of 3.5 kg.  What is the potential…

A: Given data:-  height h= 15 m  Mass m = 3.5 kg Gravity g = 10 m/s2 Find :- Potential Energy?

Q: Find the kinetic energy stored in body of mass 1 kg moving with velocity 2.3 m/s

A: Mass of a body, m=1 kgVelocity of a body, V=2.3 m/s

Q: What is not stored energy? A. Heat B. Kinetic energy C. Internal energy D. Potential energy

A: Heat energy can be stored as sensible heat or latent heat. Internal energy is also stored in a…

Q: . Find the potential energy of a 2 kg rock held 3 meters above the ground.

A: Mass of rock =2kg Height above the ground=3m We have to find potential energy

Q: A 400 lbm object accelerates from 10.0 ft/s to 17.5 ft/s. How much work has been done?

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Q: The load that an elevator lifts weighs 10 tons and must be lifted through the height of 60 feet…

A: Given that: Weight of the elevator is 10 tons Distance traveled is 60 ft in 40 seconds. It is…

Q: Part 2 Find the kinetic energy in positions 1 and 2. Answers: T₁ = T₂ = i i eTextbook and Media Save…

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Q: A ball is moving with a velocity of 5 m/s. Its velocity is decreasing at the rate of 1.05 m/s². What…

A: Given Data⇒ Ball is moving with a velocity (u)=5 ms Deacceleration (a)=-1.05ms2 Time (t)=8 s