What force is needed to accelerate a child on a sled at 1.25 m/s² is the total mass of the child and sled is 60 kg?

During a blank change a system absorbs energy from its surroundings?

A proton is traveling - x direction through a uniform magnetic field which is in the + x direction. In which direction will the proton be immediately pushed.

What is so remarkable about the migratory monarch butterflies?

Nucleus P decays in two stages to produce nucleus Q. which decay sequence will result in the highest number of neutrons in nucleus Q?

Borgan's bicycle wheel has a raidus of 38 cm and is given an angular acceleration of 2.67 rad/s2 by applying a force of 0.35 n on the edge of the wheel. what is the wheel's moment of inertia

How does scientific knowledge develop through making observations about the natural world?

Why do the earth have many states

Problem page a cyclist traveled 20 kilometers per hour faster than an in-line skater. in the time it took the cyclist to travel 80 kilometers, the skater had gone 30 kilometers. find the speed of the skater.

What is emitted during fission

If a magnet is broken into two pieces, what happens to the magnetic poles? One piece will have a north pole, while the other piece will have a south pole. Each piece will still have a north pole and a south pole.