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Your projectile launching system ispartially jammed. It can only launch objects with an initialvertical velocity of 42.0 m/s, though the horizontal componentof the velocity can vary. You need your projectile to land211 m from its launch point. What horizontal velocity do youneed to program into the system? show your work
m/s
A person with a near-point distance of 29 cm is able to get a usable magnification of 12 with a particular magnifying glass. What is the friend's near-point distance
A positively charged, small region in a thundercloud creates anelectric potential of 67.6 mV at ground level,301 m below. What is the charge of the region?
A boat has a mass of 6800 kg. Its engines generate a drive force of 4050 N, due west, while the wind exerts a force of 860 N, What is the magnitude and direction of the boat's acceleration
the speed of a transverse wave on a string is 581 ms while the wavelength is 0.268 m. the amplitude of the wave is 2.60
A copper wire wrapped into a coil is hooked to a 3.00V battery and a switch. At t=0 the switch S is closed. At t=20 seconds the current in the circuit is 24mA. After a long time the current in the circuit is 50mA.
A coffee filter of mass 1.5 grams dropped from a height of 1 m reaches the ground with a speed of 0.7 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
A 200-g block is dropped onto a vertical spring with spring constant k =220.0 N/m.what work is done on the block by its weight
The catapult on an aircraft carrier can take an aircraft from 0 to 85.6 m/s in 12.4 seconds, What is the acceleration of the aircraft when it launches
question1with ones eye at a height of 1 m above water level on a lake one can just see over the horizon a point on the
The Earth's nearly circular orbit around the sun has a diameter of 300 million km. Assuming it takes 365 days for the Earth to make one complete trip around the sun, find the acceleration of the Earth toward the sun.
plan a picutre showing Mary's displacment due to rowing, her displacemnet due to the river's motion, and her net displacement.
Starting from rest, a 2.2x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, What is the flea's speed when it leaves the ground
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