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a block of mass M hangs at rest. The rope that is fastened to the wall is horizontal and has a tension off 52 N. The rope that is fastened to the ceiling has a tension of 91N, and makes an angle theta with the ceiling. what is the angle theta?
At t = 0, a particle leaves the origin with a velocity of 12 m/s in the positive x direction and moves in the xy plane with a constant acceleration of (-2.0i+4j) . At the instant the y coordinate of the particle is 18 m, illustrate what is the x ..
the data represents the resistance R of a thermistor in Ohms as a function of tempeature T in kelvin make a graph of the natural logarithm of the resistance ln(R) versus the inverse of the temperature, 1/T and determine the constants Ro and B in R..
A speedboat moves on a lake with initial velocity vector V1x= 9.27m/s and V1y= -2.83m/s, What are the components of the speedboat's final velocity
Two wires, each of length 1.2 m, are stretched between two fixed supports. Find the speed at which the individual waves travel on each wire
Calculate the speed of the second ship with respect to Earth if it is fired in the same direction the first spaceship is already moving
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0315 s, find the vertical components of the launch velocity
A 75-kg piece of metal has specific heat 430 J/kg°C and is initially at 950°C. To cool it down, it is dunked into 710 kg of oil that has a temperature of 32°C and specific heat of 2700 J/kg°C. Assuming that heat flows only between the oil and the m..
The coefficients of static and kinetic friction between a 67 kg box and a horizontal surface are 0.56 and 0.32, respectively. Illustrate what is the acceleration of the object if a 335 N horizontal force is applied to the box?
How far south of his starting point will he reach the opposite bank.
an initially uncharged electroscope is polarized by bringing a negatively charged rubber rod near the bulb, how many electrons are on the leaf end
What force does the middle block exert on the leftmost block?
Wildlife biologists fire 20-g rubber bullets to stop a rhinoceros charging at 0.81m/s. What impulse does each bullet deliver
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