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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
Initially, a 2.00-kg mass is whirling at the end of a string (in a circular path of radius 0.750 m) on a horizontal frictionless surface with a tangential speed of 5 m/s. What is the instantaneous speed of the mass at the moment the string reaches ..
A +6.4 µC charge is placed at the origin and a -3.3 µC charge is placed at x = 25 cm. At what coordinates can a third charge be placed
a supertanker with the mass of 8.92 times 109 kg is moving with a constant velocity. its engines generate a forward
Water is at rest at the bottom of a well of depth h = 7.82 m. A pump lifts mass at a rate of dm/dt = 119 kg/minute from the well and ejects it with a speed v = 3.74. m/s. find P, the power (energy per time) needed to do this work
What is the net force on an object with a force of 0.99N at a 25 degree angle, force of 1.03N at a 195 degree angle
When a 24 Ohm resisotr is connected across a 12 Volt Battery, a current of 482 ma flows. What is the power delivered by the emf of the battery
An object is placed to the left of the converging lens, and the final image produced by the two-lens combination lies 21.2 cm to the left of the diverging lens. How far is the object from the converging lens
a a reversible heat pump is used to maintain a temperature of 0c in a refrigerator when it rejects the heat to the
Four identical charges (+1.6 μC each) are brought from infinity and fixed to a straight line. Each charge is 0.32 m from the next. Determine the electric potential energy of this group.
An airplane propeller is rotating at 1900 rpm (rev/min). compute the propeller's angular velocity in rad/s
Halfway through the process, the man and the daughter are each traveling with speeds of 1.10 m/s, with the man's velocity directed toward one end of the canoe and the daughter's velocity directed toward the other end of the canoe. what is the spee..
When a person is given intravenous fluid, the bag containing the fluid is typically held about 0.8 m above the person's body. what is the pressure in the person's blood
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