When a rectangle is constructed in order to add perpendicular velocities, what part of the rectangle represents the resultant vector?

Suppose the angle of reflection measures 40 degrees. What is the angle of incidence? A. 40 degrees B. 50 degrees

In order for an object to have kinetic energy it must have a mass and a?

What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight? Use 1.67*10-27 kg for the mass of a proton, 1.60*10-19 C for the magnitude of the charge on an electron, and 9.

A child of mass 49.7 kg sits on the edge of a merry-go-round with radius 2.7 m and moment of inertia 311.589 kg m2. The merrygo-round rotates with an angular velocity of 2.8 rad/s.

Which type of waves cannot travel through a vacuum visible light waves x-ray waves gamma ray ray waves or sound waves

7. If your accelerator suddenly gets stuck what should you do?

When h2o is removed from the mixture does the equilibrium shift to the right to the left or is there no shift?

Which best explains why the acoustics underwater affect the Doppler effect? Sound waves can not transfer energy through water. Sound waves can not travel through water. The speed of sound is less in water than in air.

What is the part of the cell that stores food?

2. A circuit consists of a 10.0-ohm resistor, a 15.0-ohm resistor, and a 20.0-ohm resistor connected in parallel across a 9.00-volt battery. What is the equivalent resistance of this circuit? (1) 0.200 12 (3) 4.62 1 (2) 1.95.22 (4) 45.012