A. 10x 10" B. 14x10" C. 2.7x10J D. 6.8x10 8. How much kinetic energy does an electron (m-9.1x10" kg) have if it is traveling at one-half the speed of light?
Q: Power is measured in the units of? Choose all that apply. A. kJ (Kilojoules) B. Nm/s (…
A: Power = EnergyTime=Js=WattPower =Force ×displacementTime=Nms
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A: Please post the remaining questions separately! I will be doing question number 3.
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- 6. A 2 kg mass is dropped to the ground through a conducting loop. The mass starts 3 meters off the ground with zero velocity, and it lands with a velocity 7 meters/second. You may take g to be 9.8 m/s^2 and ignore all other forces than gravity and electricity + magnetism. How much energy did the conducting loop dissipate (release) as heat and how do you know?An object moving at 21.0 m/s has 1390 J of kinetic energy. What is the object's mass? A. 6.30 kg B. 66.2 kg C. 3.15 kg D. 33.1 kg40.) Power is the rate at which energy is transferred. work is the process of transferring energy from one object to the other. a. true b. false
- Energy can be transferred between objects and it can change forms. a. Give an example of a situation where energy is transferred from one object to another. Make sure to describe which object started off with the energy and where the energy went. b. Give an example of a situation where energy changes from one type to another. Make sure to describe the original form of the energy, and what object causes the change in the type of the energy.Choose all that apply to potential energy. A. Potential energy can be negative. B. Potential energy is measured in the units of Joules. C. Energy that something possess because of its position. D. Potential energy is measured in the units of Nm.3. A person stands on a hill that is 78m tall. If their gravitational potential energy is 40,000J, what is the person’s mass? 4. What is the mass of an object that creates 33,750J of energy by traveling at 30m/s?
- 036. A 1.50 kg model train initially traveling at 0.50 m/s acceler- ates to 1.00 m/s in 10. s. a. What is the change in the train's kinetic energy? b. How much power was expended to accelerate the train?At its maximum speed, a 4 kg sloth can climb a height of 6 m in 2 minutes. A. What is the primary energy transformation that is taking place? B. What is the force required for the sloth to climb at a constant speed? C. How much work does this sloth do climbing the tree? D. How much does the potential energy increase?I'm trying to understand the different types of energies. I understand the definitions, but when I apply them to situations, it doesn't make much sense to me. I have the following: A. Entrophy - measure of the amt of disorder, or randomness in a system B. Kinetic Energy - Energy in Motion C. Heat - kinetic energy contained in the random motion of atoms & molecules D. Chemical Energy - type of potential energy which arises from the arrangement of atoms and be release in chemical reactions E. Conservation of Energy: Kinetic to Potential Energy - its not possible to destroy or create energy F. Conservation of Energy: Potential to Kinetic G. Potential Energy - Energy an object has because of its location or structure When I try to apply to the following, I come up with this: A: A Glass falls off the shelf & breaks B. An orange falling from a tree C. During exercise you get extremely hot. D Animals consume food (organic molecules) to make ATP to walk, breathe, etc. E. A large…
- 4. A 6.00 Kg iron ball moves at 2.75 m/s. How fast must a 2.65 g steal ball move so that the two balls have the same kinetic energy?Don't give handwritten solution and don't copy other's content.2. A 10 gram ball is held 2 meters from the ground. It hasPotentiaenergy. Calculate it. You serve a volleyball with a mass of 2100 g. The ball leaves your hand with a velocity of 30 m/s. The ball hasKinetic_energy. Calculate it. 2. A toy baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a mass of 200 grams. The carriage has energy. Calculate it. 3. A toy car is traveling with a velocity of 4 m/s and has a mass of 1120 g. The car has energy. Calculate it. 4. A cinder block is sitting on a platform 20 m high. It has a mass of 790 grams. The block has energy. Calculate it.