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A wheel of radius 0.2 m initially rotating at 60 rpm accelerates at a rate of 0.2 rad/s2 for 10 seconds.
1. What is the final angular speed in rpm?
2. How many turns does the wheel make through this time?
3. What distance does a point on the perimeter of the wheel travel?
A 3.0 kg particle with velocity v = (5.0 m/s) i - (6.0 m/s)j is at x = 3.0 m, y = 8.0 m. It is pulled by a 7.0 N force in the negative x direction. What torque about the origin acts on the particle
q1. two trains each having a speed of 28 kmh are headed at each other on the similar straight track. a bird that can
Lead has a latent heat of fusion of 2.32x104 J/kg, a specific heat of 128 J/(kg K), and a melting point of 228°C. Calculate heat needed to melt the bullet
A uniform 1.8-kg rod that is 0.58 m long is suspended at rest from the ceiling by two springs, one at each end. Find the angle that the rod makes with the horizontal
A sealed cubical container 16.0 cm ona side contains three times Avogadro's number of molecules at atemperature of 15.0°C. Find the force exerted by the gas on one of the walls
A particle falls in Earth's gravity. The force of air resistance is F = ??v1* v2 where v1 is the velocity, v2 is the speed, and ? is a constant. (The direction of the force is opposite to the velocity, and the magnitude of the force is ?v2.) If th..
A tennis player hits a 58.0 tennis ball so that it goes straight up and reaches a maximum height of 6.35. How much work does gravity do on the ball
The magnetic field inside a superconducting solenoid is5.10 T. The solenoid has an inner diameterof 6.20 cm and a length of 26.0 cm. Determine the magnetic energy density in the field.
A line of charge starts at x = +x0 and extends to positive infinity. The linear charge density is λ = λ0x0/x, where λ0 is a constant. Determine the electric field at the origin.
If a material increases it's length from 160m to to 163.20m when it's temperature is raised 160 degrees C, determine the coefficient of linear expansion
On an air track, a 400.5g glider moving to the right at 2.00m/s collides elastically with a 500.5g glider moving in the opposite direction at 3.00m/s. find the velocity of the glider after the collision
A rowboat with a mass of 94 kg carries a 61 kg rower and 34 kg of water that has accumulated in the bottom. What is the subsequent speed of the boat
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