A force of 20N is applied to a 10kg mass on a level frictionless surface. What is the acceleration of the mass

Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured. The puzzle is meant for ages 5-8. What's the hypothesis?

Consider three drinking glasses. All three have the same area base, and all three are filled to the same depth with water. Glass A is cylindrical. Glass B is wider at the top than at the bottom, and so holds more water than A.

How do galaxies vary?

Which medium can p waves travel through? solids liquid gas all of the above

What is the force exerted on a charge of 2.5 µC moving perpendicular through a magnetic field of 3.0 * 102 T with a velocity of 5.0 * 103 m/s? 3.8 N 38 N 3.8 * 105 N 3.8 * 106 N nevermind its 3.8 N

Object dropped from height of 25 meters, what velocity will it hit the ground?

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?