Magnitude and direction of the net force
A 340-kg sailboat has an acceleration of 0.76 m/s2 at an angle of 63° north of east. Find the magnitude and direction of the net force that acts on the sailboat.
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How many revolutions does the baseball make on its way to home plate? For simplicity, assume that the 60 ft path is a straight line.
Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 1.1 s after passing his window. Roger's room is on the fifth floor, 25 m above the sidewalk. Assuming the balloons are being released from rest, fro
Find the time taken for the casting to slide down the plane a distance of 10 m without any external force being applied. Find also, the force required to give the casting an acceleration of 2 m/s2 up the plane.
What distance does the car cover in the last 2.0 seconds of its motion? What is the constant speed that characterizes the middle portion of its motion?
Assuming that the ball's initial velocity was 45 above the horizontal, and ignoring air resistance, what did the initial speed of the ball need to be to produce such a home run if the ball was hit at a point 0.7
Mr. Kaufman worries that his wife's interactions with the baby may eventually lead the child to (a) cry easily when frustrated, (b) fearfully cling to his mother, (c) become unfriendly toward other people, and (d) become withdrawn and uninterested
Calculate the the numerical value for the acceleration (Assume g = 9.81 m/s2).
A sled reaches the foot of a hill at a speed of 6.7 m/s. If the coefficient of kinetic friction between the sled and ground is 0.192, the distance the sled travels before coming to a stop is ____ meters.
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