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Cosmonaut Andrei, your co-worker at the International SpaceStation, tosses a banana at you at a speed of 18 m/s. At exactly the same instant, you fling a scoopof ice cream at Andrei along exactly the same path. The collisionbetween banana and ice cream produces a banana split 6.4 m from your location 1.1s after the banana and ice cream were launched.(a) How fast did you toss the ice cream?(b) How far were you from Andrei when you tossed the ice cream?
In what direction should the aircraft head?
A straight horizontal garden hose 37.0 m long with an interior diameter of 2.10 cm is used to deliver 20oC water at the rate of 0.430 liters/s.
A 243-g ball falls vertically downward, hitting the floor with a speed of 2.48 m/s, Calculate the magnitude of the change in the ball's momentum
Standing on the surface of a small spherical moon whose radius is 6.75·104 m and whose mass is 6.71·1018 kg, What maximum height above the surface of the moon will the rock reach
A ball is thrown horizontally from a height of 19.8 m and hits the ground with a speed that is three times its initial speed
Romeo (75.0 kg) entertains Juliet (52.0 kg) by playing his guitar from the rear of their boat at rest in still water, 2.80 m away from Juliet who is in the front of the boat.
A copper rod and an aluminum rod of equal diameter are joined end to end in good thermal contact. what must be the length of the aluminum rod so that the temperature at the junction is 50°C
On a hot summer day, a young girl swings on a rope above the local swimming hole (Figure 1) . When she lets go of the rope her initial velocity is 2.20 at an angle of 35.0 above the horizontal.If she is in flight for 0.619 , how high above the water ..
When yellow light from a sodium lamp shines on a certain photocell, What potential would be needed to stop the electrons if light with 4000 A is used
A uniform solid disk with a mass of 28.3 kg and a radius of 0.514 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as drawing illustrates.
A block that has a mass M = 4.25 kg is hanging at rest on a light string. A projectile with a mass m = 250 g moving horizontally strikes M and sticks to it. The block and its projectile swing up and the center of mass rises a distance h = 12.0 cm. Th..
a hike walks 4.5km in one direction, then makes a 45 degree turn to the right and walks another 6.4km. What is the magnitude of her displacement
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