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An archer shoots arrows at a target. Some of the arrows stick inthe target, while others bounce off. Assuming that the masses ofthe arrows and the velocities of the arrows are the same, whicharrows produce a bigger impulse on the target? Hint: Draw adiagram to show the momentum of the arrows before and after hittingthe target for the two instances.
an 15.0-kg box is released on a 35.0 incline and accelerates down the incline at 0.290m/s^2, Find the friction force impeding its motion
A spacecraft consists of a 32500 kg engine and a 12600 kg nosecone. How fast is the nosecone moving
If a person exerts 44 N of force on the back of a seat while stopping in 0.4 seconds, what is the impulse on the seat back?
The hole on a level, elevated golf green is a horizontal distance of 125 m from the tee and at an elevation of released 10.4 m above the tee, What was the initial speed of the ball
A duck has a mass of 2.4 kg. As the duck paddles, a force of 0.06 N acts on it in a direction due east. Find magnitude and direction south of east
The Mini Cooper is rated at the maximum power of 115. hp (1 hp=746 W), when moving at 80km/h. Suppose that the net force accelerating the car is constant.
Stan accelerates from a standing start at 2 m/s^2 and one second later Kathy accelerates from a standing start at the same position at 4 m/s^2. how long does it take Kathy to catch Stan
The time separating high tides is 12 hours and 25 minutes. Assume that the high tide occurs at 3:30 p.m. one afternoon. At what time will high tide occur the next afternoon
The electric field just above the surface of the charged hollow drum of a photocopying machine has a magnitude E of3.0E+5 N/C. What is the surface charge density on thedrum if it is a conductor? ((assume it is the shape of acylinder))
To get back to the shuttle, the astronaut unstraps a 10-kg tool kit and throws it away with a speed of 8 m/s. In the script, the astronaut, who has a mass of 80 kg without the toolkit, survives, but is this accurate.
A human being can be electrocuted if a current as small as 51 mA passes near the heart. An electrician working with sweaty hands makes good contact with the two conductors he is holding. If his resistance is 1600 Ω, what might the fatal voltage in vo..
What is your displacement after running 2 {rm km} on Strawberry Fields, 1.6 {rm km} on Penny Lane, and 4.8 {rm km} on Abbey Road.
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