Julio hit a baseball. What caused the ball to change direction at the time of impact?

a. the force of gravity

b. the speed of the ball

c. the force of his swing

d. the weight of the air

A car accelerates uniformly from rest to a speed of 23.7m/s in 6.5 seconds. Find the distance the car travels during this time.

Among iron and copper Electrons move freely in which of them?

Whose contributions to astronomy explained how planets were held in their orbits? A. Aristotle B. Copernicus C. Ptolemy D. Newton E. Brahe F. Kepler

During which strokes does the piston move downward in a four-stroke internal combustion engine? intake and exhaust compression and exhaust power and intake compression and power

Light is incident normally on two narrow parallel slits a distance of 1.00 mm apart. A screen is placed a distance of 1.2 m from the slits.

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?