Why is it that we can see blood cells only with a microscope? A) The cells form clumps. B) The cells keep moving about. C) The cells have different shapes. D) The cells are very small in size.

The magnitudes of the vectors in this diagram are vx/y = 17.94 meters/second and vy/z = 3.46 meters/second. Find vx/z.

How can you calculate kinetic energy?

How much force is needed to cause a 15 kilogram bike to accelerate at a rate of 10 meters per second?

A 67.0 kg crate is being raised by means of a rope. Its upward acceleration is 3.50 m/s2. What is the force exerted by the rope on the crate? A 67.0 kg crate is being raised by means of a rope. Its upward acceleration is 3.50 m/s2.

Chlorophylls absorb most light in which colors of the visible range?

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?