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Find the tension in each of the two ropes supporting a hammock if the first one is at an angle of 13.5° above the horizontal and the second is at anangle of 35.4° above the horizontal. The person sleeping in the hammock (unconcerned abouttensions and ropes) has a mass of 71 kg.T (first)= ?kNT(second)=?kN
A basketball player makes a jump shot. The 0.606 kg ball is released at a height of 2.18 m above the floor with a speed of 7.26 m/s. What is the work done on the ball by air resistance, a nonconservative force
question the 6.0 kg object below is released from rest at a height of 5.0 m on a curved frictionless ramp. at the foot
a 8.80 x 10-3 kg bullet is fired horizontally into a 2.37 kg wooden block attached to one end of a massless horizontal
An automobile has aa vertical radio antenna 1.20 mlong. The automobile travels at 65.0 km/h on a horizontalroad where earths magnetic field is 50.0 uT directed toward thenorth, calcutate the magnitude of this induced emf
A Wm = 890-N man sits on top of a stepladder of negligible mass that rests on a frictionless floor as shown in the figure below. Calculate the tension in the cross brace
A parallel-plate air capacitor with a capacitance of 236 has a charge of magnitude 0.13 on each plate. The plates have a separation of 0.33.What is the potential difference between the plates.
a solid aluminum ingot weighs 92 n in air.a what is its volume?b the ingot is suspended from a rope and totally
Just as it has reached an upward speed of 5.00 m/s during a vertical launch, a rocket explodes into two pieces. Find the speed of the upper piece just after the explosion
how does the count rate vary with distance from a point source? if the counter is moved twice the distance from the source, how is the count rate affected
In a typical golf swing, the club is in contact with the ball for about 0.0010 s. estimate the magnitude of the force exerted by the club on the ball
A small steel ball with a mass of 80 g is releasesd from a resting height of 1.25 m above a ridgid metal plate. What is the velocity of ball before impact.
The principal quantum number for an electron in an atom is n = 8, while the magnetic quantum number is m = 6. What is the number of orbital quantum number values that this electron could have
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