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A 5.09-kg ball hangs from the top of a vertical pole by a 2.07-m-long string. The ball is struck, causing it to revolve around the pole at a speed of 4.51 m/s in a horizontal circle with the string remaining taut. Calculate the angle, between 0 degrees and 90 degrees, that the string makes with the pole. Take g = 9.8 m/s2.
Find the tension of the string.
What is the change in kinetic energy of the block?
question a 75kg student is standing atop a spring in an elevator that is accelerating upward at 3.0ms2 the spring
For the third circuit, consisting of a single battery and two light bulbs in parallel, What is the current through each bulb
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall.
A 108 gcube of ice at 0°C is dropped into 1.0 kg of water that wasoriginally at 72°C. What is the final temperature of the water after the ice has melted
A wire carrying a 2A current is placed at an angle of 60 degrees with the respect to a magnetic field of strength 0.2T. obtain the magnitude of the magnetic force acting on the wire
Suppose a force F(t)=3.00N/S^2 t^2 - 2.00 Nis exerted on an object with a mass of 20.0 grams and an initial velocity of50.0 m/s, in the positive x direction. Use the impulse-momentum theorem to find the object’s velocity after 2.00 s.
A thin metallic spherical shell of radius 0.377 m has a total charge of 5.03 × 10-6 C placed on it, What is the electric field at a distance of 0.785 m from the center of the spherical shell
A 36.4 kg child starting from rest slides down a water slide with the vertical height of 20.7 m. (Neglect friction.) What is the child's speed three-quarters of the way down.
An ideal gas in a cylinder is compressed adiabatically to one half its original volumes. Obtain how much energy is transferred into or out of the gas by heat in this process
Using Newton's laws find the normal force on the object. Determine the force of kinetic friction on the object
When working in a group is it better to have members all of the same type or is it better to mix the creative intelligence types?
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