A 21 kg child is riding a 5.9 kg bike with a velocity of 4.5 m/s to the northwest.

a. What is the total momentum of the child and the bike together?

b. What is the momentum of the child?

c. What is the momentum of the bike?

What does the law on conservation of momentum state

What causes the earths plates to move

What is the shell of an hydrogen atom called

A cat is moving at 18 m/s when it accelerates at 4 m/s2 for 2 second. what is his new velocity?

What is the momentum of a 5.6 kg ball going 22m/s?

How much would a 100kg man weigh on the surface of the sun where the acceleration is 274 m/s

How much current is in a circuit that includes a 9 - volt battery and a bulb with a resistance of 12 ohms?

Find the current Voltage VD and current ID in the following circuit assuming (a) ideal diode. (b) Constant voltage drop model with Von = 0.75V (c) using the exponential model (I_0=1*10^ (-14)). Verify your results through Multisim simulation

Suppose two stars are located in region a of the h-r diagram shown in the figure below. Star X appears much dimmer that Star Y as seen from Earth. Which Star can be inferred to be nearer to Earth, and how do you know?

A student examining a joint observes collagen-rich connective tissue fibers linking the bones, but finds no synovial cavity. Which structural classification fits the observed joint?