PHYSICS HIGH SCHOOL

What is the product of an object's mass and velocity?

Answers

Answer 1
Answer:
That product is the object's momentum. 
It has a direction ... the same direction as the velocity.

Related Questions

A rock at the top of a 30 meter cliff has a mass of 25 kg. Calculate the rock’s gravitational potential energy when dropped off the cliff. Assuming that energy is conserved and there is no air friction and gravity is 9.8 m/sec., at the bottom of the cliff the rock’s potential energy is completely converted to kinetic energy. Use the formula for kinetic energy to calculate the rock’s speed at the bottom of the cliff. Show all calculations.
How do similar (S-S or N-N) magnetic poles interact?
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A horse has a kinetic energy of 29,400 j if the horse has a mass of 300 kg what is the horses speed?
A current of 120 mA flows past a point in a circuit for 25 s. How much charge passes the point in this time?How many electrons pass the point in this time?

The energy released by an earthquake occurs in the form of: fusion volcanic eruptions seismic waves radiation

Answers

The energy released by an earthquake occursin the form of either volcanic eruptions or better yet, seismic waves. There isno radiation in earthquake except if it destroys nuclear power plants.Earthquakes are also the reason why long ago, there is a continental drift longago wherein seismic,volcanic, and geothermal activity are found along imagined plate boundaries, the plates were actually rubbing againsteach other as evidence is seen on the formed mountain ranges And there is paleomagnetism,magnetic field placement in the layers of the rock are present.

Which of the following types of energy originates below Earth's surface?A. electrical energy
B. geothermal energy
C. mechanical energy
D. electromagnetic energy

Answers

Geothermal energy. Electromagnetic energy originates at the sun (think UV rays; they are part of the electromagnetic spectrum). Electrical energy technically can be anywhere, as long as there are positive and negative charges. Mechanical energy is like a generator or an engine; there is always something working to get things done/made. I hope this answer and these explanations helped!

If you squeeze the bottom of a closed tube of toothpaste, the pressure is increased ____.

Answers

The cap will pop of,THE SEAL WILL BREAK, or the tube will explode.
The cap will pop off and it may fly or hurt somebody.

A 1200 w microwave oven transforms 1.8x10(to the power of 5) J of energy while reheating some food. Calculate how long the food was in the microwave, in mins!? (Please show steps, thanks)

Answers


1200 watts = 1200 joules per second

(1.8 x 10⁵ joules) / (1,200 joules/sec) = 150 sec = 2.5 minutes


 

What is true of an object pulled inward in an electric field?a) The object has a neutral charge.

b) The object has a charge opposite that of the field.

c) The object has a negative charge.

d) The object has a charge the same as that of the field.

Answers

Answer:

option b

Explanation:

There is an object pulled inward in an electric field.

We have to find out of the four options given which is true.

a) The object has a neutral charge is false since when electric field pulls the object inward, there is a charge inside.

b) The object has a charge opposite that of the field, this option is correct since there will be an equal and opposite charge created by the object

c) The object has a negative charge will be correct only if the original charge was positive hence wrong

d) The object has a charge the same as that of the field is incorrect since this would be opposite the charge

So only option b is right

Which statement describes a characteristiccommon to all electromagnetic waves and
mechanical waves?
(1) Both types of waves travel at the same speed.
(2) Both types of waves require a material medium
for propagation.
(3) Both types of waves propagate in a vacuum.
(4) Both types of waves transfer energy.

Answers

"(4) Both types of waves transfer energy." is the best option from the list regarding the characteristics common to all electromagnetic waves and mechanical waves

Answer: The correct answer is (4).

Explanation:

Electromagnetic wave is the transverse wave. It is produced by the moving charged particle. It travels at the speed of the light. It does not require a medium to travel. It can travel through the vacuum.

In mechanical wave, there is an oscillation of matter. It requires a medium to travel.It cannot travel through vacuum. The three types of mechanical waves are longitudinal wave, transverse wave and surface wave.

The common characteristics to all electromagnetic waves and mechanical waves are both can move through matter and both can occur as a result of a disturbance. This disturbance is a result of wave transfer energy.

Therefore, the common characteristic to all electromagnetic and mechanical waves is both types of waves transfer energy.  
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When water waves approach an obstacle such as the supports holding up a pier, they will bend around the supports. This wave phenomenon is calleda. reflection. b. refraction. c. diffraction. d. polarization.