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A rocket fires two engines simultaneously. One produces a thrust of 700N directly forward while the other gives a thrust of 472N at an angle 38.8? Above the forward direction.
1. Find the magnitude of the resultant force which these engines exert on the rocket.
2. Find the deviation of the direction (relative to the forward direction) of the resultant force which these engines exert on the rocket.
A block of mass 4.0 kg is attached to a string and the string is attached to a spring(k=32.0N/m). What is the maximum extension of the spring
The solid shaft in is made from brass that has an allowable shear stress = 100 MPa and a shear modulus of elasticity G = 39 GPa. what is the required diameter of the shaft
a doppler speed meter operating at exactly 1.02 x 105 hz emits sound waves in the direction of anoncoming baseball. the
a beam of light in air is incident on the surface of a slab of fused quartz. part of the beam is transmitted into the
A generating station is producing 1.90 106 W of power that is to be sent to a small town located 5.0 km away. Find the power used to heat the wires if the power is transmitted at 1050 V
A 2.00×104kg railroad car is rolling at 1.00m/swhen a 5000kg load of gravel is suddenly dropped in.What is the car's speed just after the gravel is loaded
While a mass of 2kg is on a flat surface a parallel force F pusheson it that it moves along the surface at a angle of 40 deg. to the horizontal. What is the magnitude of acceleration
A tank of water 3.0 m deep sits on a table 1m tall. A hole is located 2m from the bottom of the tank. Water flows out of hole and strikes the ground. Where does it strike the ground? Suppose incompressible, non viscous flow.
a hiker throws a stone from the upper edge of a vertical cliff. the stone's initial velocity is 25m/s directed at 40 degrees. with the face of the cliff. whats the height of the cliff?
Three point charges are located in the x-y plane. q1 = +78.2 nC at (0.0, -4.6 cm), q2 = -36.4 nC at (+5.8 cm, 0.0) and q3 = +77.4 nC at (-6.2 cm, +8.4 cm). Determine the magnitude of the net electric field at the origin
A 73.0-kg parachutist falling vertically at a speed of 6.60m/s impacts the ground, what is the average force exerted on the parachutist by the ground
(a) In what direction are the electrons deflected? toward the negative plate toward the positive plate (b) By how much are the electrons deflected after passing through these plates?
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