If we want to describe work we must have

what is the varity of species is an ecosystem

AHA recommends for children age 2 and older should participate in a minimum of 30 minutes of moderate-intensity physical activity each day 45 minutes of moderate-intensity physical activity each day 75 minutes of moderate-intensity physical activity

In a ballistics test, a 24 g bullet traveling horizontally at 1300 m/s goes through a 25-cm-thick 360 kg stationary target and emerges with a speed of 930 m/s. The target is free to slide on a smooth horizontal surface.

A force of 600 N is acting on a motorcycle that has a mass of 240 kg. What is the acceleration of the motorcycle?

What is the relationship of a force a soccer player applies to a soccer ball and the motion of the ball

Which of the following is not a practical application of gravity? O A. It keeps the moon in orbit around Earth. O B. The moon has no gravity because it has no atmosphere. O C. It keeps the galaxies from flying apart. O D.

Bumper of a stationary bumper car. The momentum of the stationary car increases. Which happens to the momentum of the moving bumper car? It decreases. It stays the same. It is converted to inertia.

An electric field has a strength of 2.0 N/C. What force does it exert on a charge of 0.004 C?

Given that earth orbits at 150,000,000 km from the sun, through what distance does earth move in a second?

A brick is dropped from the top of a building through the air (friction is present) to the ground below.