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The force vector A has a magnitude of 98.0 newtons (N) and points due east. The force vector B has a magnitude of 111 N and points 71.1 ° north of east. Find the (a) magnitude and (b) direction of A - B. (Give the direction as a positive angle with respect to due east). Find the (c) magnitude and (d) direction of B - A. (Give the direction as a positive angle with respect to due west).
What is the change in entropy for the system. How much force must be applied to climb the hill at the same speed and same air resistance.
A small circular object with mass m and radius r has a moment of inertia given by I = cmr2. To what maximum height will it rise after leaving the ramp
In gaseous sodium chloride, chloride ions have one more electron than they have protons, What is the magnitude of the electrostatic force the molecule exerts on it
A person swings a 0.521-kg tether ball tied to a 4.60-m rope in an approximately horizontal circle. what is the maximum angular speed of the ball
What was the power of the motor that kept the wheel rotating at 6.5 rev/hr in spite of friction.
A particle (M1 = 1.47 kg) moving at 30.0° downward from the horizontal with v1 = 2.53 m/s hits a second particle (M2 = 3.47 kg), What is the speed of M2 after the collision
Two resistors are connected in series to a battery with an emf of 12 V. The voltage across the first resistor is 2.9V, Find the resistance of the second resistor
A person weighs 75 N on the surface of the moon and 427 N on the surface of the Earth. What is the acceleration of gravity on the surface of the moon
A swimming pool has dimensions 29 m x 34 m and a flat bottom, what is the total force due to the water on the bottom
Consider a spacecraft in an elliptical orbit around the earth. At the low point, or perigee, of its orbit, it is 300km above the earth's surface; at the high point, or apogee, it is 2500km above the earth's surface. What if the rockets were fired ..
a ball is tossed into the air at a speed of 64.0 m/s at an unknown angle. If the ball is observed to rise to a maximum height of 7.80 m, elucidate at what angle was the ball thrown relative to the ground?
A copper wire with a cross sectional area of 3.00 mm^2 and a length of 2.00 m at 20.0 degrees C is connected to a 25.0 V battery, what is the resistance at 20.0 degrees C
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