What is the mechanical advantage supplied by a 1000 N object lifted using 250 N of force

What is the Sun's declination on the vernal equinox? A. 0° B. 30° S C. 30° N D. 90° S

A patient with lung disease usually has difficulty breathing

What is the kinetic energy of a ball with a mass of 0.06kg moving at 50m/s?

What kind of energy transformation in a stereo

11) Which statement about covalent bonds is true? A) Covalent bonds are generally weaker than ionic bonds because they form full oppositely charged particles.

The metric system and metric conversions are?

Ron bicycles forward with an acceleration of 2.1 m/s2. If he is applying a forward force of 195 N, what is his mass?

Diane swim 5 kilometers against the current in the same amout of time it took her to swim 15 kilometers with the current. The rate of the current was 2 kilometers per hour. How fast would diane swim if there were no current?

A man paddles a canoe in a long, straight section of a river. The canoe moves downstream with constant speed 5 m/s relative to the water. The river has a steady current of 1 m/s relative to the bank. The man's hat falls into the river.

In an atom, almost all of the mass is concentrated in a tiny nucleus because