What is the y-component of ball''s acceleration

Reference no: EM138468

Q1. Far in space, where gravity is negligible, a 450 kg rocket travelling at 77 m/s fires its engines. The thrust force as a function of time with horizontal axis in 9 s increments. The mass lost by the rocket during these 25 s is negligible.

(a) What impulse does the engine impart to rocket?

(b) At what time does the rocket reach its maximum speed?

(c)What is the greatest speed?

Q2. A baseball is thrown straight up. The drag force is proportional to .In terms of, what is the y-component of ball's acceleration when its speed is half its terminal speed and it is moving up?

Reference no: EM138468

Questions Cloud

What should be the magnitude of the third charge : Two charges, and are the distance apart. These two charges are free to move but do not because there is a third charge nearby what should be the magnitude of the third charge and its placement in sequence for the first two to be in equilibrium.

What must be the dimensions of the nichrome wire : Weight of a box is 150 pounds. The horizontal force required to move the box is 70 lb. What horizontal force is required if 60lbs is added to box.

What is the radius of the turn : What is the terminal speed for a 76.0 skier going down a 41.0 snow-covered slope on wooden skis = 0.070? Suppose that the skier is 1.80 m tall and 0.500 m wide. Replace mg with net forces parallel to the incline.

How many complete revolutions does the wheel turn : A rifle with a barrel length of 58 fires an 11 bullet with a horizontal speed of 370. The bullet strikes a block of wood and penetrates to a depth of 15.

What is the y-component of ball''s acceleration : A baseball is thrown straight up. The drag force is proportional to.In terms of, what is the y-component of ball's acceleration when its speed is half its terminal speed and it is moving up.

What is the final temperature of the heating element : However, the current begins to decrease as the resistive element warms up. When the toaster reaches its final operating temperature, the current has dropped to 1.53 A.

What sort of interference does the person sense : Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense.

Find out the vertical and horizontal components : A 40 g rifle bullet travelling 260 m/s buries itself in a 4.0 kg pendulum hanging on a 3.0 m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of pendulum's displacement.

Find out the distance travelled using the equation : When he reaches equator, the sphere is rotating at how many rpm. A car takes 9 s to go from v = 0 to v = 55 m/s at about constant acceleration.

User Account

All Pages