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A 350g air track cart on a horizontal air track is attached to astring that goes over a pulley with a moment of inertia of6.00x10-6 kg*m2 and a radius of 1.35 cm. Thestring is pulled vertically downward by a force of 2.50N. What is the acceleration of the cart?
Severe stresses can be produced in the joints by jogging on hard surfaces or with insufficiently padded shoes, Calculate the force on the ankle joint. The mass of the joggers leg is 8.6 kg.
A racecar travelling at a constant speed turns in a circle with a radius of 10 m. what is the racecar's speed
Three point charges are located on the positive x-axis of a coordinate system. Charge q1 = 2.0 nCis 2.0 cm from the origin, What is the net force
Two objects with masses of 3.80 kg and 5.40 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest
A heat pipe is a device developed by NASA for efficiently transmitting thermal energy while in space. A heat pipe is to be constructed using a rigid pipe with a volume of 0.0002·m3, What is the specific and total internal energy of the water
A typical photovoltaic cell delivers 4.0×10?3W of electric energy when illuminated with 0.11W of light energy. What is the efficiency of the cell
How much time is neccesary to stop the crate. A block with mass m = 5.5 kg slides down an inclined plane of slope angle 10.9 ° with a constant velocity. It is then projected up the same plane with the initial speed 3.85 m/s. How far up the incline ..
The distance from knee to the hip is 55 cm. The weight of that partis 9 kg. The distance from knee to the foot is 45 cm. The weight ofthat part is 5 kg. How far from the hip in cm is the gravity pointin the leg if we know that it is somewhere arou..
A block of mass 50kg is pushed 20m along a frictionlesssurface by a constant horizontal force of 60N, What is the net work done on the block
An RC circuit with 2.50 ?F and 7.60 M?? includes a 6.00 volt source, What is the time constant for charging the capacitor
A battery with \Epslion 12.0 V delivers a termal voltage of 11.2 V to a 45.0 V to a 45.0 \Omega load resistor. Calculate The value of the battery's internal resisance
A wooden block slides directly down an inclined plane, at a constant velocity of 6.0 m/s. How large is the coefficient of kinetic friction, if the plane makes an angle of 25 degrees with the horizontal?
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