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A 35.2 kg box is sitting on the seat of a ferris wheel. The ferris wheel has a diameter of 38.6 m and is rotating at 5.30 revolutions/minute. Find the normal force the seat of the ferris wheel exerts on the box at the bottom of the loop and at the top of the loop.
A block of mass m = 2.0 kg is dropped from height h = 90 cm onto a spring of spring constant k = 1960 N/m. Find the maximum distance the spring is compressed
A baseball is bunted down the third-base line leaving the bat from a height of 0.800m with an initial velocity of 8.00m/s at an angle 30 degrees above the horizontal. What is the speed of the ball just before it hits the ground
A 0.2kg marble is launched off the end of a table and can be considered to be in free fall. The initial speed of the marble (Vi) is 2m/s. find the force that the floor exerts on the marble
A single-turn current loop, carrying a current of 5.67 A, is in the shape of a right triangle with sides 62.8, 114, and 130 cm. What is the magnitude of the net force on the loop
A boat crossing a 143.0 m wide river is directed so that it will cross the river as quickly as possible. Calculate the total distance the boat will travel to reach the opposite shore
A chartered airplane flies 100 km east, then 350 km northwest, and then 150 km at 30° west of south. After an additional displacement, the plane is back where it started. Find the magnitude and the direction of the last leg of the journey.
A screw with 25 threads per centimeter is driven 1.49 cm into its fixture in 12.4 s with a cordless electric screwdriver. What is the average angular speed of the screwdriver
An electron with kinetic energy of 6.0 x 10-16 J is moving to the right along the axis of a cathode-ray tube. There is an electric field vector = (2.0 x 104 N/C) j in the region between the deflection plates.
A circuit contains sic 60 W lamps with a resistance of 240 ohm each and a 10 ohm heater connected in parallel. The voltage across the circuit is 120 V. Find the current in the circuit.
A car starts from rest and travels for 4.7 s with a uniform acceleration of +1.9 m/s2. The driver then applies the brakes, How far has the car gone from its start
Two balls are released simultaneously from the top of a tall building. Ball A simply dropped with no initial velocity, and Ball B is thrown downward with and initial velocity of 12 m/s. How far has each ball dropped
Two sinusoidal waves, identical except for phase, travel in the same direction along a string, producing the net wave y(x,t)=(6.0 mm)sin(24.0x -2.0 s-1 * t+0.320 rad), with x in meters and t in seconds. What is the wavelength ? of the two waves? W..
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