A physical change occurs when a material changes shape or size but the composition of the material does not change. True or False?

Miguel is learning to play the piano. He has learned to play some chord sequences with ease. In this scenario, the chord sequences learnt by Miguel will be stored in his

water is pumped from a stream at the rate of 90kg every 30s and sprayed into a farm at a velocity of 15m/s. Calculate the power of the pump.

If 600 J work is done in 3s what is power?

How high would a 20 kg mass have to be raised to have a gravitational potential energy of 1,000 J?

The speed of a sound wave is slower than an electromagnetic wave is faster than an electromagnetic wave is equal to an electromagnetic wave cannot be measured

What is the relationship between the mass of the counterweight and the amount of work done on the projectile?

The steps in the formation of sedimentary rocks are listed below in an incorrect order. 1. Rocks are weathered. 2. The sediments are compacted together. 3. They are deposited in layers. 4. Small pieces of rocks are carried by water.

Which method would you use to find the volume of an irregular shaped object?

A step up transformer has a primary coil with 100 turns and a secondary coil with 25 turns if the input voltage in the primary coil is 40 volts what is the output voltage reduced to in the secondary coil A) 20 volts B) 35 volts C) 4 volts D) 10

An instrument used to measure atmospheric pressure is called a