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An airplane releases a ball as it flies parallel to the ground at a height of 145 m as shown in the figure. If the ball lands on the ground precisely 145 m from the release point, compute the speed v of the plane. Neglect any effects due to air resistance, and utilize g = 9.81 m/s2 for the acceleration due to gravity.
A spherical 0.34 kg orange, 2.0 cm in radius, is dropped from the top of a building of height 33 m. After striking the pavement, the shape of the orange is a 0.60 cm thick pancake. Neglect air resistance and assume that the collision is completely in..
A car with 52cm -diameter tires accelerates uniformly from rest to 20m/s in 10s. How many ties does each tire rotate
what is a catapult ? what is the traditional use of a catapult ? when were catapults in greatest use ? what
An ocean liner leaves New York City and travels 19.2 ° north of east for 186km. How far east and how far north has it gone? In other words, what are magnitudes of the components of the ship's displacement vector in the directions (1) due east and ..
A 20.0 kg crate sits at rest at the bottom of a 12.9 m long ramp that is inclined at 33 degrees above the horizontal. What is the total work done on the crate during its motion from the bottom to the top of the ramp
A 995 kg HOLLOW SPHERE has a radius of 4.4 m and is in equilibrium. Determine the net force & net torque acting on the HOLLOW SPHERE
A silicon solar cell looks like a battery with a 0.33Vterminal voltage. What is the solar cell's efficiency-that is, what percentage of the energy incident on the cell is converted to electric energy
Two opposite point charges of magnitude 2.500e-6 C are located near the origin. What is the magnitude of the dipole moment vector for this pair of charges
q1. a 20 kg block is at rest on a horizontal floor. if you push horizontally on the 20 kg block with a force of 50 n it
25.0 moles of an ideal gas, at an initial pressure of 3.00 x105 N/m2 and an initial volume of 1.400 m3, Find the work done by the gas
A woman is reported to have fallen 139 ft from a building, landing on a metal ventilator box, which she crushed to a depth of 30 in. She suffered only minor injuries.
Suppose an RLC circuit must be created by choosing an inductor and capacitor to place in series with a 1200 ohm resistor. To tune in the AM band frequencies, calculate an appropriate value for the inductance and determine the max and min capacitance..
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