A ball of mass. 50kg is thrown straight up at 6 m/s what is the momentum of ball at its peak

How many neutrons does element X have if it's atomic number is 21 and it's mass number is 75

Work is being done in which of these situations? All motions are at a constant velocity (including velocity = zero).

A substance dissolves in water by breaking up into smaller pieces

A cars speedometer measures

What is the total number of atoms in the following formula? CaBr2 04

How can the time period of a pendulum be decreased or increased

A space probe is sent to the vicinity of the star Capella, which is 42.2 light-years from the earth. (A light-year is the distance light travels in a year.) The probe travels with a speed of 0.9930c.

ngrid kicks a football with an initial velocity of 12 m/s at an angle of 45° relative to the ground. The horizontal component of the initial velocity to the nearest tenth is m/s.

A 60-watt light bulb has a voltage of 120 volts applied across it and a current of 0.5 amperes flows through the bulb. What is the resistance of the light bulb?

In a laboratory experiment, a diffraction grating produces an interference pattern on a screen. If the number of slits in (including the slit spacing) the same, then The fringes stay the same brightness and get closer together.