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A uniform 30 kg ladder (length = 8.50 m) leans against a smooth vertical wall. The base of the ladder is 12 ft from the wall. If the coefficient of friction between the ground and the ladder is 0.15, how far up the ladder can a 120 kg firefighter climb before the ladder begins to slip?
On planet A, the value of g is 11 m/s squared. If bluber weighs 732 N on planet A, how much would he weigh on earth
An ordinary glass is filled to the brim with 310.0mL of water at 100.0 ?C. how much water could be added to the glass
A car of mass m moving at speed v1 collides and couples with the back of a truck of mass 2 m moving initially in the similar direction as the car at a lower speed v2.
A transformer on a utility pole operates at an Vp = 8:5 KV rms on the primary side and supplies electric power to a number of nearby houses at Vs = 120 V rms. What is the turn ratio, Np=Ns, of this step-down transformer
A scooter begins at rest at t0 = 0 seconds. The scooter then accelerates and covers a distance d = 526 m, What is the scooters average speed during this period
A single conducting loop of wire has an area of 6.7 10-4 m2 and a resistance of 110 . Perpendicular to the plane of the loop is a magnetic field of strength 0.18 T. At what rate (in T/s) must this field change if the induced current in the loop is to..
If the bullet buries itself in the block, find out how far along the ground that the block lands from the base of the table.
A projectile is fired such that its horizontal range is equal to 2.0 times its maximum height. Find the angle the projectile was fired at
A sample of 755 moles of nitrogen gas is maintained at aconstant pressure of 1.00 atm in a flexible container.The gas is heated from 40.2oC to177oC. Calculate the change in internal energy
A block of cheese has a mass of 20 kg is at rest on the floor. Thisblock is then pushed by a horizontal force of 8 N across the floor.The final speed is 2 m/s. Determine the distance the box was pushed.
Consider the arrangement of 2 point masses (M and 3M) with the value M = 2.00 kg connected by a massless rod of L = .800 m. What is the rotational kinetic energy of the system associated with its rotation in part b
a wheel rotating with a constant acceleration turns through 30 revolutions during a 5.0s time interval. Its angular velocity at the end of this interval in 30 rad/s. What is the angular acceleration of the wheel
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