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A ball leans against a smooth frictionless post to which it is attached. The string is attached to the ball such that a line passes along the string during the center of the ball. If the string is 1.40m long and the ball has a radius of 0.110m, with a mass of0.270 kg discovers the tension in the rope and the normal force exerted on the ball.
A semiconductor (GaAs) laser emitting at 800 nm has a 400 micrometer cavity length with a refractive index n=3.6. If the gaing exceeds the total loss αt throughout the range 750 nm
How long did it take the apple to hit Newton after falling off? Draw a graph of velocity vs
A mass m = 3 kg is hanging from an ideal string which is passed over a fixed, frictionless pulley and then is attached to the upper end of a vertical spring whose lower end is fixed to the floor. What is the maximum stretch of the spring
one of your classmate has a friend with a boat. here is your classmate on water-skis being towed. in the absence of friction your classmate (m=62kg) would accelerate at 2.23m/s^2.
Use conservation of energy to determine the angular speed of the spool shown in the figure below after the 3.00 kg bucket has fallen 4.50 m, starting from rest. The light string attached to the bucket is wrapped around the spool and does not slip as ..
Two circular metal plates with diameter 18 cm and separated by a distance of 2mm are connected in series with a 10 cm long cylindrical piece of material with diameter 1 mm and a 10 v battery. FIND the capacitance of the two circular metal plates wi..
An object of mass 2.5 kg is moving in the negative x direction at a velocity of 2.0 m/s. it experiences a force of 4 N for 3 seconds. What is the final velocity after the object has experienced the impulse?
One slit of a double-slit arrangement is covered with a thin plastic plate of refractive index, 1.4, and the other by a thin plastic of refractive index 1.7. the point on the screen at which the central maximum fell before the plastic plates were ins..
A ball is moved from the origion to (1i + 4j) m, using a force (2i + 6j) N. Calculate the work done by the force
A 2.20-kg block starts from rest at the top of a 30.0° incline and slides a distance of 2.10 m down the incline in 1.60 s. Find the friction force acting on the block
To fill a child's inflatable wading pool, you use a garden hose with a diameter of 2.90 cm. Water flows from this hose with a speed of 1.50 m/s. How long will it take to fill the pool to a depth of 25.0 cm if the pool is circular and has the diame..
An airplane wishes to fly from new york to ottawa. from new york, ottawa is located 780km West23degreesNorth. there is a wind blowing from a bearing of 310 degrees and if the plane flies at 890km/h, what bearing should the pilot steer to fly direc..
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