Magnitude of the resulting force on the mass at instant
A mass of 0.30 kg joined to the end of a string swings in a vertical circle (R = 1.4 m). At an instant if theta = 30 degrees, the speed of the mass is around 6.0 m/s. Determine the magnitude of the resulting force on the mass at this instant?
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An air-track glider is joined to a spring. The glider is pulled to the right and released from rest at 0 s. It then oscillates having a period of 1.50s and an utmost speed of 50.0 cm/s. Determine the amplitude of the oscillation?
A river 24.0 m broad and 4.0 m deep drains a 3000.0 km2 land area in which the average precipitation is 48 cm/year. One-tenth of this rainfall returns to the atmosphere through evaporation; however the remainder in due course drains into the river
A circular coil having 20 turns and radius 5 cm is positioned with its plane oriented at 90 degrees to a magnetic field of 0.1T. The field is now raised at a steady rate, reaching a value of 0.5 T after 4 seconds. Determine what emf is induced in
i) Where must a man of mass M = 75 Kg sit if the system (plank plus man and woman) is to be balanced? ii) Determine the normal force applied by the pivot on the plank.
Determine the approximate length of the Golden Gate Bridge if it is recognized that the steel in the roadbed expands through 0.507 m if the temperature changes from +2.75 to +34.5 °C.
A ray in air is incident on the glass plate whose index of refraction is around 1.42. The angle of refraction is one-half the angle of reflection. The angle of refraction is nearest to?
A bright light on the bottom of a swimming pool of 3.50 m deep is emitting rays upwards uniformly in all the directions. Describe why from outside the pool you will merely see a circular area of light illuminated on the water’s surface and c
A mass of 4.0 kg on the end of a string rotates in the circular motion on a horizontal frictionless table. The mass consists of a constant speed of 2.0 m/s and the radius of the circle is 0.80 m. Find out the magnitude of the resulting force actin
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