A car starting from a standstill accelerates at a rate of 4 meters per second squared. how far, in kilometers, will the car travel in 20 seconds

A. 0.8km

B. 800km

C. 40km

D. 1,600km

A dinner plate falls vertically to the floor and breaks up into three pieces, which slide horizontally along the floor. immediately after the impact, a 200-g piece moves along the + x-axis with a speed of 2.

Describe the dynamic equilibrium that exists between the two water tanks at right.

the temperature of monoatomic gas was increased from t1=27c to t2=177c. by how many times the internal energy of the gas increase?

When passing another vehicle you are allowed to exceed the speed limit by?

How does the sun keep the earths surface warm

Why did scientists choose carbon as a base for the atomic mass unit? Which isotope of carbon did they use?

What organelle is found in all animal cells and some plant cells

Basic of Archimedes's principle of how fluid can make body to float and sink.

A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun powder. What is the average force (in N) exerted on a 0.0500 kg bullet to accelerate it to a speed of 625 m/s in a time of 1.10 ms (milliseconds)

Your boss at the Cut-Rate Cuckoo Clock Company wants to save money on materials. You are asked to reduce the balance wheel, which is cylindrical, dimensions to one-third their original values.