Which of these os true? (A) light travels in a straight line. (B) light travels in a random manner. (C) parallel beams are divergent in nature. (D) parallel beams are convergent in nature. (E) non of the above

The part of the atom that accounts for electricity is the A. neutron. B. proton. C. nucleus. D. electron.

How does growing taller in the morning affect in everyday life

What units are used to express energy?

A machine is rolling a metal cylinder under pressure. The radius of the cylinder is decreasing at a constant rate of 0.05 inches per second and the volume, V, is 128pi cubic inches. At what rate is the length, h, changing when the radius, r, is 1.

What is the relationship between frequency, wavelength, and speed of a wave?

You slide a box of books at constant speed up a 30° ramp, applying a force of 200 n directed up the slope. the coefficient of sliding friction is 0.18.

Two trains leave the same station at the same time. The first train travels north at 60 mph. The second train travels west at 45 mph. Find how fast the distance between the trains is changing two hours after the trains have left.

If the room radius is 4.5 m, and the rotation frequency is 0.8 revolutions per second when the floor drops out, what is the minimum coefficient of static friction so that the people will not slip down?

Energy of motion is known as what energy

While a constant total force of 17 n is exerted on a cart, the cart's acceleration is 5 m/s2. find the mass of the cart?