A joule is equivalent to a

A 7.0-N force parallel to an incline is applied to a 1.0-kg crate. The ramp is tilted at 20° and is frictionless. (a) What is the acceleration of the crate? (b) If all other conditions are the same but the ramp has a friction force of 1.

Amigo acids are important to the body because they build

Imagine a landing craft approaching the surface of callisto, one of jupiter's moons. if the engine provides an upward force (thrust) of 3264 n, the craft descends at constant speed;

Two water balloons of mass 0.65 kg collide and bounce off of each other without breaking. Before the collision, one water balloon moved at a velocity of 3 m/s east, while the other moved at a velocity of 2 m/s west.

Jupiter's strength of gravity is greater than Earth's strength of gravity. A person's will be the same on Jupiter and Earth. A person's will be greater on Jupiter than on Earth.

What does Kepler's second law state? A. Planets travel in ellipses. B. Planets sweep equal areas in equal times. C. A planet's apparent backward movement is termed retrograde motion. D.

Why do charges build up in a cloud

How does the wave model of electrons orbiting the nucleus account for discrete energy values?

An ecosystem is all the populations of organisms that live together and A. the microorganisms that depend on them. B. the organisms that generate energy from sunlight. C. the physical factors with which they interact. D.

Which statement about magnetic poles is accurate? A) Same magnetic poles attract, while different magnetic poles repel. B) Same magnetic poles attract, while different magnetic poles attract.