A projectile of mass 0.877 kg is shot straight up with an initial speed of 27.3 m/s. (a) How high would it go if there were no air resistance? (b) If the projectile rises to a maximum height of only 8.49 m, determine the magnitude of the average force due to air resistance.

What properties of a moving object are used in determining the object's energy of motion

Question 11 of 13 (1 point) jump to question: a stairway, ladder, or ramp must be present in excavations in which of the following situations? a. all trenches must have access/egress b. the trench is more than 15 feet wide but only 1 ½ feet deep c. the trench is more than 4 feet deep and the devices must be within 25 feet of all workers

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.