An oscillator makes 360 vibrations in 3 minutes.

a. How many vibrations does it make in two minutes?

b. How many vibrations does it make in five seconds?

c. What is its period in seconds?

d. What is its frequency in hertz?

How does the magnetosphere support life on Earth? A. It circulates heat between the poles of the planet. B. It shields the planet from harmful particles emitted by the Sun. C. It provides an innate navigational system to life forms. D.

Which statement supports Newton's first law of motion? A. Planets can change the direction of their own orbital path. B. Planets with more inertia will not be impacted by the Sun's gravity. C.

By constructing basic electric circuits, you will be able to measure current flow. With Ohm's law in mind, what broad question are you answering by doing this experiment?

Why is the calorimeter assembled by placing one cup inside the other?

During a slap shot a hockey puck takes 0.5 seconds to reach the goal. It started from rest and reached final velocity of 35 m/s. What is the pucks acceleration?

3. In a demonstration learning activity, A. the teacher shows children how something works or how to complete an entire activity. B. each child shows and tells about a favorite toy. C.

A 0.12 kg paper airplane flies in a straight line at a speed of 1.3 m/s. How much kinetic energy does the airplane have?

Each atom is composed of electrons and positive material. The mass of the atom is evenly spread throughout the atom. Neutrons are located in the center of the atom. Positive charge occupies a very small volume in the atom.

A hot-air balloon is ascending at the rate of 14 m/s and is 84 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?

Now assume that the pitcher in Part D throws a 0.145-kgkg baseball parallel to the ground with a speed of 32 m/sm/s in the + x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line.