A ball is thrown with an initial speed of 20m/s at an angle of 60 to the ground. If air resistance is negligible, what is the ball 's speed at the instant it reaches its maximum height from the ground.

How much time would it take for an airplane to reach its destination. If it traveled at an average velocity of 790km/hr east for a distance of 4,700 kilometres

From the deepest to the surface, what are the parts of the earth's interior? A) crust→mantle→core B) core→crust→mantle C) core→mantle→crust D) mantle→crust→core

Describe the difference between nuclear energy and light energy.

Work of 5 Joules is done in stretching a spring from its natural length to 19 cm beyond its natural length. What is the force (in Newtons) that holds the spring stretched at the same distance (19 cm) ? Don't forget to enter the correct units.

A job of the ribosome is to make sugar. True or False?

swelling magma chambers below the surface can cause the crust above to uplift and form a large flat regions higher than the surrounding land known as

You add 50mL of water at 10 degrees c to 50 mL of water at 80 degrees c. What is the most likely final temperature of the mixture?

Which statement below is correct regarding chemical bonding between atoms? a) two metals will form an ionic bond; two nonmetals will form a covalent bond a) a metal and a nonmetal will form a covalent bond;

I'm which medium would sound travel faster? A) across a room B) in a swimming pool C) through outer space D) through a rail road track

A ball is thrown straight up in the air. Which of these statements about its kinetic energy is true? A ball is thrown straight up in the air.