Suppose a 5.4x1010 kg meteorite struck the Earth at the equator with a speed 2.2x104 m/s, as shown in (Figure 1) and remained stuck. Part A By what factor would this affect the rotational frequency of the Earth (1rev/day)? Express your answer using two significant figures. ? Aw Figure < 1 of 1 Submit Request Answer 45° Provide Feedback North Pole Earth

need  correct procedure and answer to this?

On level ground, you stand 20.0 m from the base of a tree and determine that the treetop is at 47 above the horizontal, as measured from ground level. Part A How tall is the tree? Express your answer with the appropriate units. h = μA Value Submit Request Answer Units ? Review

Part A How many revolutions per minute would a 26 m-diameter Ferris wheel need to make for the passengers to feel "weightless" at the topmost point? Express your answer using two significant figures. VE ΑΣΦ f = pond ? rpm

Solve for B

Please help

At the instant it leaves the player's hand after a jump shot, a 0.62-kg basketball is traveling 8.0 m/s. When it passes through the hoop its speed is 6.9 m/s. Part A How much work has gravity done on the ball? Express your answer to two significant figures and include appropriate units. HA ? Value Units Submit Request Answer Part B What is the vertical component of the ball's displacement? Express your answer to two significant figures and include appropriate units. ? Value Units

A child rolls a ball on a level floor 4.1 m to another child. Part A If the ball makes 7.0 revolutions, what is its diameter? Express your answer to two significant figures and include the appropriate units. d = ________

A 800 kg cart is rolling to the right at 1.10 m/s. A 70.0 kg man is standing on the right end of the cart. Part A What is the speed of the cart if the man suddenly starts running to the left with a speed of 8.00 m/s relative to the cart? Express your answer with the appropriate units. μA Value Submit Units Request Answer ?

A rocket with mass 7.00×103 kgkg is in a circular orbit of radius 7.50×106 mm around the earth. The rocket's engines fire for a period of time to increase that radius to 8.80×106 mm, with the orbit again circular.     Part A What is the change in the rocket's kinetic energy? Does the kinetic energy increase or decrease? Express your answer with the appropriate units. Enter positive value if the kinetic energy increases and negative value if the kinetic energy decreases.       ΔKΔK = nothingnothing   SubmitRequest Answer Part B What is the change in the rocket's gravitational potential energy? Does the potential energy increase or decrease? Express your answer with the appropriate units. Enter positive value if the gravitational potential energy increases and negative value if the gravitational potential energy decreases.       ΔUΔU = nothingnothing   SubmitRequest Answer Part C How much work…