A 1 kg ball is thrown into the air with an initial velocity of 30 m/s. How much kinetic energy does the ball have?

In your own words, describe how matter is identified.

A boat produced water waves of frequency 4 Hz and wavelength 2m, if it reached the shore after 2 seconds how far is the boat from the shore?

The weight of an apple near the surface of the Earth is 1 N. What is the weight of the Earth in the gravitational field of the apple?

Which of the following is an example of convection? A. hot air rising and cooler air falling B. a hot oven warming the air around it C. the rays of the Sun warming the earth D. a hot object transferring heat to a cooler one P. S. this is science

Is it true that if an object is moving it has kinetic energy

The mass of a lift is 600kg. the maximum tensile force that the cable supporting the lift can withstand is 7kN. Calculate:maximum upwards acceleration allowed?

In an experiment if doubling the manipulated variable results in doubling of the responding variable the relationship between the variable is a (n) ?

What color does Indigo turn things?

Why is temperature a good criterion for searching for earth like exoplanets

Supercells are updrafts that may cause which of the following? A hurricanes b blizzards c thunderstorms d tornadoes i think its Thunderstorms or tornadoes