How long must a simple pendulum be if it is to make exactly one swing per four seconds? (that is, one complete oscillation takes exactly 8.0 s.) ?

What will be the amount of heat required to raise the temperature of 3 kg of paraffin by 10 degree C if 44000joules of heat energy is required to raise the temperature of 1 kg of paraffin by 20 degree C

You go and choose a solid chemical rocket which expels gas from the engine at 3 kilometers per second. The rocket has a total mass of 2 kg with the fuel being 1 kg. The theoretical maximum speed of this rocket is:

When hot and cold air meet, the hot air rises to the top. Which process causes the hot air to rise? A. radiation B. conduction C. convection D. induction

A wave has a wavelength of 2 meters and a frequency of 1.5 Hz. What is its speed?

What is baking soda and example of

Why do automobiles rust more easily in wet climates than drier climates?

You are preparing to do a hard task and so you say to yourself, "I can do it!" What is this an example of?

You took a running leap off a high diving platform. You were running at 3.1 m/s and hit the water 2.4 seconds later.

How does a boulder change

Difference between impulse and impulsive force