According to the big bang theory, how did the universe form?

Determine the total moment of inertia of a merry-go round with 5 children sitting on it. Of the five children, four are seated at the edge of the merry-go-round, and the fifth child is sitting exactly at the center.

Suppose the mass is pulled down to where the spring's length is 72 cm. When it is released, it begins to oscillate. What is the amplitude of the oscillation?

In a certain region of space, the electric field is constant in direction (say horizontal, in the x direction), but its magnitude decreases from E = 560 N/C at x = 0 to E = 410 N/C at x = 25 m.

A) A motorist traveling at 12 m/s encounters a deer in the road 41 m ahead. If the maximum acceleration the vehicle's brakes are capable of is - 7 m/s 2, what is the maximum reaction time of the motorist that will allow her or him to avoid hitting

Which type of force can act through empty space? A. Tension B. Normal C. Spring D. Magnetism

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?