A 2 kg laptop sits on the floor near a 4 kg jar of pennies. if the force of gravity between them is 3.42 * 10 ⁻¹⁰, how far apart are they?

A jetliner can fly 4.9 hours on a full load of fuel. Without any wind it flies at a speed of 1.88 x 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip.

How would you describe a waning half moon

To get to your baseball game, you had to drive 2 kilometers north, then 5 kilometers west, and finally 2 kilometers south. What is your car's displacement? A) 5 km, B) 5 km east, C) 5 km west, D) 9 km

Can a black light be used to charge a solar powered product

A girl who is watching a plane fly tells her friend that the plane isn't moving at all. Describe a frame of reference in which the girl's description would be true

Light striking an object with index of refraction 1.24 has wavelength 440 nm. What is the wavelength of light in the object

blank energy is the energy an object has because of its motion. potential nucelar kinetic thermal

If the oil thickness is 200 nm and the index is 1.5, what (vacuum) wavelength (in nm) does a diver see looking at the same position as the scientist, but from under water?

The three types of nuclear radiation

why does electrical process signals often take the form of a current instead of voltage? two specific reasons for this.