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A 600 grams model rocket is on a cart that is rolling to the right at a speed of 3 meter per second. The rocket engine, when it is fired, exerts a 7 Newton thrust on the rocket. Your goal is to have the rocket pass through a small horizontal hoop that is 20 meter above the launch point.
Find at what horizontal distance left of the loop should you launch?
Illustrate what is the minimum centripetal acceleration the truck must have going around the circular curve with radius 0.35 km so that it will clear the gully and land on the other side?
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.23 10-3 g. Find the temperature inside the box
a boy is laying on a sled wich is on an ice covered hillinclined at an anlge of 15 degrees if the boy and the sled have acombned mass of 54kg what is the force pulling them down the hill
A 850kg electric car uses a 270 V battery pack. What's the maximum speed the car can attain during this time
two coupled boxcars are rolling along at 3.5 ms when they collide with and couple to a third stationary boxcar. a what
A hand-driven grinding wheel is a uniform 62-kg disk with a 41-cm radius. It has a handle of negligible mass 64 cm from the rotation axis. Find the maximum angular velocity of the wheel
A 48.9 kg pole vaulter running at 13.0 m/s vaults over the bar. Assuming that the vaulter's horizontal component of velocity over the bar is 1.7 m/s and disregarding air resistance, how high was jump.
A flashlight contains two batteries in series each having a potential difference of 1.5V and an internal resistance of 0.2 ohms, How much power does the bulb dissipate
A wave on a string has an amplitude of 0.32 m, a frequency of 120 Hz, and a wavelength of 1.4 meters. What is the maximum speed of a point of the string
A meter stick is found to balance at the 49.7 centimeter mark when located on a fulcrum. Obtain what is the mass of the meter stick
An object to the left of a lens is imaged by the lens on a screen29.0 cm to the right of the lens. When thelens is moved 4.00 cm to the right, thescreen must be moved 4.00 cm to the leftto refocus the image. Determine the focal length of the lens.
Jonathan is riding a bicycle and encounters a hill of height h. What is the total external work done on the system of Jonathan and the bicycle between the time he starts up the hill and the time he reaches the top
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