What is the tension in the rope at this certain point
Arlene is to walk across a high wire strung horizontally between two buildings 11.0 m apart. The sag in the rope when she is at the midpoint is 10.0°, as shown in Figure 4-42. If her mass is 56.0 kg, what is the tension in the rope at this point?
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How far out from an axis must a 1200 N force be applied (i.e. what is the forces moment arm) in order to counter and hold a 90 Nm torque acting in the clockwise direction?
At the bottom of the arc, Jack, whose mass is 65 kg, steps off. What is the maximum height of a landing ramp that Jill can reach as the swing continues?
A 0.700-kg ball is on the end of a rope that is 1.50 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 70.0° with respect to t
A 415 g glass coffee cup is at room temperature of 20?C. It is then plunged into hot dishwater, 76?C. If the temperature of the cup reaches that of the dishwater, how much heat does the cup absorb? Assume the mass of the dishwater is large enough
Arlene is to walk across a high wire strung horizontally between two buildings 11.0 m apart. The sag in the rope when she is at the midpoint is 10.0°, as shown in Figure 4-42. If her mass is 56.0 kg, what is the tension in the rope at this poi
What phase difference between two otherwise identical traveling waves, moving in the same direction along a stretched string, will result in the combined wave having an amplitude 1.6 times that of the common amplitude of the two combining waves?
A tennis ball with a speed of 8.0 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 6.0 m/s. If the ball is in contact with the wall for 0.018 s, what is the average accel
What is the fractional increase in the thread's length caused by the spider? same as that of the spider's thread?
On a workday the average decibel level of a busy street is 80 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 45 every minute on a weekend, what is the decibel level of the street?
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