An object reflects all the colors of the visible spectrum. What does this tell you about the object?

A. The object is white.

B. The object is black.

C. The object is a mirror.

D. The object is a lens.

A person drives an automobile with a mass of 450 kilograms at a velocity of 26 meters per second. The driver accelerates to a velocity of 30 meters per second. The difference in the automobile's kinetic energy between the two velocities is joules.

During the construction of an office building, a hammer is accidentally dropped from a height of 784 ft. the distance (in feet) the hammer falls in t sec is s = 16t2. what is the hammer's velocity when it strikes the ground?

Andrew Haber is an astronaut in space, far away from gravitational and frictional forces. He throws a tennis ball.

Which set of terms represent mechanical waves?

If a block of wood has a density of 0.6g/cm3 and a mass of 120g what is the volume

A brick with a mass of 20 kg and a weight of 196 N is released on a frictionless plane at an angle of 30°. What is the acceleration of the brick? A. 4.9 m/s2 B. 5.6 m/s2 C. 8.5 m/s2 D. 9.8 m/s2

As light reflects off a mirror the angle between the incident ray and reflected ray of light is 50°. What is the angle of reflection?

In what part of the earth does convection occur?

13.00 cm + 2.56 mm + 0.0047 = cm? Solve problem with correct number of significant digits

What condition is necessary for the sustained flow of water in a pipe?