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A two-stage rocket is launched at an initial angle of 83 degrees from the horizontal, and for 15.4 seconds,its engine provides a uniform acceleration in its lauch direction of 25m/s^2. After that time, the 1st stage engine cuts out, and falls off. The second stage rocket(which has a mass of 510 g) then ignites and the rocket experiences an average net force of 105.0N for 5.0 more seconds. It continues on its trajectory until it lands again on Earth at the same elevation as it was lauched.
a) Draw the problem.
b) Find the maximum height of the rocket.
c) Find its range when itt hits the ground, and how long it takes in time.
d) Find its velocity vector when it hits the ground.
If a second plane with the same charge density is placed parallel and a distance d above the first one, what is the electric field between the two planes
Changes in wind and tide made average speed on return trip 3 mph slower than the speed on the way out. If the total time of the trip took 9 hours find speed of both the going and the return trip.
An apple falls from a branch near the top of a tall tree. what is the apple's speed just before it hits the ground
To get to a concert in time, a harpsichordist has to drive 120 miles in 2.09 hours. What is his average velocity for the entire trip
A 1.80 MHz sound wave travels through a pregnant woman's abdomen and is reflected from the fetal heart wall of her unborn baby. The heart wall is moving toward sound receiver as the heart beats.
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If there is a potential difference of V between the metal and the detector, what is the minimum energy that an electron must have
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A 0.760 m long brass pendulum experiences a 21.0°C temperature increase. What is the change in the period
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