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A 3kg object moving along the positive x direction with a speed of 10m/s exploeds into a 2kg and a 1kg fragments. The 1kg fragment moves along the positive x direction with a speed of 40m/s what is the speed of the 2kg fragment?
Nancy pulls box with 6 N force northward; Edward pulls with 4N force eastwood and Sally pulls with 5N force 36.9 degrees south of west
Take the initial direction of motion to be the positive direction. (Indicate the direction of the acceleration by the sign of your reply.)
A toy spacecraft is launched directly upward. When toy reaches its highest point, a spring is released and the toy splits into two parts with masses of .c2 kg and .08 kg.
A fox is chasing a bunny. The bunny is initially hopping east at 5 m/s when it first sees the fox. What was the bunny's average acceleration during this half-second interval
You throw a bouncy ball directly down toward the ground. When it leaves your hand, 1 m above the ground, it is moving at 5 m/s. What is the ball's maximum height after it bounces
A long, straight wire carries a current I1=3.8 A and is distance h=17.4 cm from a rectangular current loop that carries a current I2=1.8 A. DETERMINE the force exerted by the current loop on the wire
The position of an object as a function of time is (3.2t + 1.8t^2)i + (1.7t + 2.4t^2) , where is the time in seconds. Find the magnitude and direction of the object.
The camel walks at the uniform speed 4.53 km/hr along a straight line in the direction 39.7? north of East (only the camel knows why he chose that particular direction). Explain how long will it take the camel to cross the desert?
A wooden block with mass 1.15kg is placed against a compressed spring at the bottom of a slope inclined at an angle of 28.0?, Calculate the amount of potential energy that was initially stored in the spring
Boat A negotiates a curve whose radius is 363m. Boat B negotiates a curve whose radius is 110m. Each boat experiences the similar centripetal acceleration. What is the ratio of speed of boat A to that of boat B.
In a 6.5×10?3-m3 volume of ideal gas at the pressure of 2.7×106 Pa, How many molecules are in the sample
A vertical heat-insulated cylinder is divided into two parts by a movable piston of mass m. Find the final temperature of the gas
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