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Two forces act on a 24-kg object. One force has magnitude 65 N directed 59° clockwise from the positive x-axis, and the other has a magnitude 35 N at 32° clockwise from the positive y-axis. What is the magnitude of this object's acceleration?
A circular loop of wire with areal A lies in the xy-plane. As viewed along the z-axis looking in the -z direction toward the origin, Determine the vector magnet moment of the current loop
A helicopter propeller blade starts from rest and experiences a constant angular acceleration of 17.0 rad/s2. Find the speed of a point on the blade 4.95 m from the axis of rotation
A 2.50 kg block hangs from a spring. A 420 g body hung below the block stretches the spring 2.90 cm farther. (a) What is the spring constant? (b) If the 420 g body is removed and the block is set into oscillation, find the period of the motion.
What will be the resulting speed of the boat. A 74 kg fireman slides down a 4-m pole by applying a frictional force of 384 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches ground.
question1a war-wolf or trebuchet was a device used throughout the middle ages to throw rocks at castles and now
Assume that a 6 volt energy source is in a circuit that has a resistance of 10ohms. Determine the current and power
A 3.0-kg wheel in the form of a solid disk rolls along a horizontal surface with a speed of 5.0 m/s. What is the total kinetic energy of the wheel
A seismographic station receives S and P waves from an earthquake, separated in time by 16.8 s. Assume the waves have traveled over the same path at speeds of 4.50 km/s and 7.40 km/s. Find the distance from the seismograph to the focus of the quake.
A flat sheet is in the shape of a rectangle with sides of lengths 0.400m and 0.600m. Find the magnitude of the electric flux through the sheet
A uniformly accelerated car passes three equally spaced traffic signs. The signs are separated by a distance d = 20 m. What is the magnitude of the acceleration of the car
the wire unwinds without stretching or slipping, causing the pulley to rotate. Explain how far must the stone fall so that the pulley has 2.70 J of kinetic energy?
A +30mc charge is placed on a metallic sphere of 1.0cm radius. The sphere is surrounded by a spherical thick metallic shell, calculate the electric potential of each of the two conductors
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