An object of mass m suspended by a spring vibrates with a period t. part a if this object is replaced by one of mass 4 m, the new object vibrates with a period: a. t. b. 2 t. c. 4 t. d. 8 t.

What changes would result in a decrease in the gravitational force between two objects? check all that apply.

If the force on an object is in the negative direction, the work it does on the object must be [2 points a) negative. b) positive c) the work could be either positive or negative, depending on the direction the object moves

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?