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A 6.0-kg block is at rest on a horizontal floor. If you push horizontally on the 6.0-kg block with a force of 24.0 N, it just starts to move.
(a) What is the coefficient of static friction?
(b) A 16.0-kg block is stacked on top of the 6.0-kg block. What is the magnitude F of the force, acting horizontally on the 6.0-kg block as before, that is required to make the two blocks start to move?
A wheel rotating about a fixed axis through its center has a constant angular acceleration of 4 rad/s^2. In cerain 4s interval the wheel turns through an angle of 80 rads.
A 3.8×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.3×10-5 s and a maximum speed of 1.55×103 m/s. A) Calculate the angular frequency. B) Find the maximum displacement of the particle. I know the answer to part A) 48..
A car takes 16 s to go from v = 0 to v = 50 m/s at approximately constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value should you use for a.
What is the maximum positive potential energy. Write down an expression for U as a function of x, with U in joules and x in meters.
If a 35.0 N·m torque on a wheel causes angular acceleration 20.0 rad/s2, what is the wheel's rotational inertia
A 45-m length of wire is stretched horizontally between two vertical posts. Find the magnitude of the earth's magnetic field at the location of the wire
A parallel-plate air-filled capacitor having area 50 cm2 and plate spacing 1.3 mm is charged to a potential difference of 710 V, find the energy density between the plates
The specific heat of water is 4186 J/kg•K. The latent heat of fusion is 333 kJ/kg. The density of water is 1.0 g/cm.
Illustrate what is the difference between a departmental accounting system and a responsibility accounting system? Are the reports of departmental net income and the departmental contribution to overhead useful in assessing a department manager's ..
Find speed of the block at the bottom of the ramp. What is tangential acceleration of a bug on the rim of a 78 rpm record of diameter 7.41 in. if the record moves from rest to its final angular speed in 4 s.
A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.55Hz, Ignoring the mass of the spring, what is the mass m of the fish
A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg, Find the maximum tension in the chain
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