Physics

All new and solved questions in Physics category

2 answers

Does the depth of a pan affect how water freezes?

Does the depth of a pan affect how water freezes?...
1 answer

In what ways is climate controlled by the sun and the water cycle ?

in what ways is climate controlled by the sun and the water cycle ?...
2 answers

How does transpiration play a  role in the water cycle ?

How does transpiration play a  role in the water cycle ?...
2 answers

Why would a 100 pound person weigh only 17 pounds on the moon?

Why would a 100 pound person weigh only 17 pounds on the moon?...
2 answers

How could you compare the energy carried in two different longitudinal waves

how could you compare the energy carried in two different longitudinal waves...
2 answers

If the speed of an object is tripled, its kinetic energy will be

If the speed of an object is tripled, its kinetic energy will be...
1 answer

Two identical freight cars roll without friction towards each other on a level track. one car rolls 2 m/s the other 1 m/s. after the cars collide they couple and roll together with a speed of

two identical freight cars roll without friction towards each other on a level track. one car rolls 2 m/s the other 1 m/s. after the cars collide they couple and roll together with a speed of...
1 answer

A girl sitting on a merry-go-round moves counterclockwise through an arc length of 3.15 m. If the girl’s angular displacement is 1.82 rad, how far is she from the center of the merry-go-round? Answer in units of m

A girl sitting on a merry-go-round moves counterclockwise through an arc length of 3.15 m. If the girl’s angular displacement is 1.82 rad, how far is she from the center of the merry-go-round? Answer in units of m...
2 answers

A turntable is designed to acquire an angular velocity of 32.4 rev/s in 0.5 s, starting from rest. Find the average angular acceleration of the turntable during the 0.5 s period. Answer in units of rad/s2

A turntable is designed to acquire an angular velocity of 32.4 rev/s in 0.5 s, starting from rest. Find the average angular acceleration of the turntable during the 0.5 s period. Answer in units of rad/s2...
1 answer

What's exactly the 4 dimension (4D)?

What's exactly the 4 dimension (4D)?...
2 answers

What is a lunar eclipse?

What is a lunar eclipse?...
1 answer

Why did some alpha particles bounce off the gold foil?

Why did some alpha particles bounce off the gold foil?...
1 answer

A cheetah is hunting. Its prey runs for 7.4 s at a constant velocity of 11.3 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?

A cheetah is hunting. Its prey runs for 7.4 s at a constant velocity of 11.3 m/s. Starting from rest, what constant acceleration must the cheetah maintain in order to run the same distance as its prey runs in the same time?...
2 answers

How are hot spots used to track plate motion

How are hot spots used to track plate motion...
2 answers

Suppose a magnetic reversal accoured today . How would new rocks at mid ocean ridges differ from rocks that formed last year

Suppose a magnetic reversal accoured today . How would new rocks at mid ocean ridges differ from rocks that formed last year...
2 answers

A student who weighs 500 newtons climbed the stairs from the first floor to the third floor,15 meters above, in 20 seconds. How much work did she do

A student who weighs 500 newtons climbed the stairs from the first floor to the third floor,15 meters above, in 20 seconds. How much work did she do...
1 answer

You are standing 100 Meters away from your car when an alligator appears 20meters away from you on the opposite side and you start to run with a speed of 5m/s while the alligator's speed was 8m/s towards you. Will you reach your car before the alligator reaches you? Why?

You are standing 100 Meters away from your car when an alligator appears 20meters away from you on the opposite side and you start to run with a speed of 5m/s while the alligator's speed was 8m/s towards you. Will you reach your car before the alligator reaches you? Why?...
2 answers

Wh does a soccer ball that is quickly rolling across a grass field slow and finally stops rolling

Wh does a soccer ball that is quickly rolling across a grass field slow and finally stops rolling...

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