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Question: A worker stands still on a roof sloped at an angle of 24° above the horizontal. He is prevented from slipping by a static frictional force of 560 N.
Part A: Find the mass of the worker.
I need help to find the mass of the worker.
A cyclotron is operated at an oscillator frequency of 12 MHz, and has a Dee radius of 0.53m. Calculate the magnetic field needed to accelerate deuterons
An electric turntable 0.750 meter in diameter is rotating about a fixed axis with an initial angular velocity of 0.250 rev/s, Calculate the tangential speed of a point on the rim of the turntable at t= 0.200 sec
A ball is shot from the ground into the air. At a height of 9.60 m, the velocity is observed to be v = (7.70 m/s) i + (7.00 m/s) j. What is the maximum height that the ball will rise
A prism with angles 45ο , 45ο,and 90ο is to be utilized to turn a beam of light during a 90ο angle. What is the minimum index of refraction for the material of the prism that will give the total internal reflection required?
question1find out the coefficient of kinetic friction between a 3.15 kg block and horizontal surface on which it rests
A 3.66-F and a 6.96-F capacitor are connected in series acrossa 30.0-V battery. A 7.49-F capacitor is then connected in parallelacross the 3.66-F capacitor. Determine the voltage across the 7.49-F capacitor.
A baseball (mass 0.14 kg, radius 3.7 cm) is spinning with an angular velocity of 45 rad/s. If the baseball has a linear speed of 38 m/s, what is the ratio of its rotational and translational kinetic energies?
A viewing window in the Atlanta aquarium is 50 inches wide and 50 inches high. what is the outward force on the window
A 2.0cm -tall candle flame is 2.0 m from a wall. You happen to have a lens with a focal length of 42cm, For each location, what is the height of the image
A 20 nC charge is moved from a point where V = 190 Volt to a point where V = -90 Volt. Determine how much work is done by the force that moves the charge
An 19.8 g rifle bullet traveling 247 m/s buries itself in a 3.56 kg pendulum hanging on a 2.62 m long string, which makes the pendulum swing upward in an arc. Decide the horizontal component of the pendulum's displacement
A 221 kilogram log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. Compute what the tension in rope
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