True or false an objects weight is less on the moon than on earth. on the moon, the objects mass decreases

Which of the following quantities for an object should be known to calculate its density? The space it occupies The heat present in it The force of gravity acting on the object How long it takes for an object to travel a certain distance

You have a mass of 55kg and are riding your frictionless skateboard, which has a mass of 5kg, in a straight line at a speed of 4.5 m/s when a friend standing on a balcony above you drops a 2.5 kg sack of flour straight down into your arms.

The earth has a magnetic field much like a bar magnet. Explain this statement.

What is the magnitude and sign (positive/negative) of the displacement of an object initially found at 15 cm and later moves to 10 cm?

During a collision with another car, the occupants of a minivan initially travelling at 4.0 m/s come to a complete stop in 0.5 s. What was the acceleration of the occupants of the minivan? a) 8.0 m/s2 b) - 8.0 m/s2 c) 2.0 m/s2 d) - 2.0 m/s2

You are told that a wave has a wavelength of 450 x 10^-9 m and a frequency of 6.67 x 1014 Hz. Is it a sound wave? How do you know?

What two factors determine the streghth of the force of gravity between tow object?

Which item (s) would be sufficient to make a circuit? a. Conductor b. Insulator c. Conductor and Battery d. Insulator and Battery e. Battery

Donde encontramos energia termica.?

How will physical and/or chemical weathering contribute to create rounded shapes during spheroidal weathering?