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A constant force, F = (4.55, ?3.79, 2.10) N,acts on an object of mass 17.4 kg, causing a displacement of that object by r = (4.14, 3.77, ?2.45) m. What is the total work done by this force?
At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.2 m/s2, How fast will the automobile be traveling at that instant
What is tension in the wire
Sam, whose mass is 76.0 , takes off down a 52.0 high, 10.0 slope on his jet-powered skis. The skis have a thrust of 200 . Sam's speed at the bottom is 40.0. Illustrate what is the coefficient of kinetic friction of his skis on snow?
Determine the magnitude (in mN) and direction (relative to the negative x-axis in degrees) of the force acting on a particle with charge q3 = +11 nC placed at the origin.
Baseball scouts often use a radar gun to measure the speed of a pitch, What will be the increase in frequency if these waves are reflected from a 60.0mi/h fastball headed straight toward the gun
Two sinusoidal waves of the same period, with amplitudes of 5.5 and 7.5 mm, travel in the same direction along a stretched string; they produce a resultant wave with an amplitude of 12.760 mm. The phase constant of the 5.5 mm wave is 0. What is th..
What is the coefficient of kinetic friction between sled and incline? (Enter 0 if sled does not move.)
Illustrate what other types of sensors could you deploy throughout the cafe to help operations? Illustrate what concerns would you have regarding these sensors?
A certain particle has the life time of 10^-7 s, while measured at rest. How far does it go before decaying if its speed is 0.99 c when it is created.
The density of water is 1000kg/m^3 or 8.33lbm/gallon, the mass flow rate is 494838.83 kg/s and goes through a turbine generator that has 0.80 efficiency
Paul is what most people consider a "jock." He is the captain of both the football and wrestling team and he also plays hockey. Upon entering Mrs. Title's class she figured that he would not take course seriously nor would he excel in class. She p..
a basketball player who is 2 m tall is standing on the floor 10 m from the basket. If he shoots the ball at a 40.0 degree angle with the horizontal, at what initial speed should he throw so that is goes through the hoop without striking the backbo..
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