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A rotating wheel requires 3.08-s to rotate through 37.0 revolutions. Its angular speed at the end of the 3.08-s interval is 97.5 rad/s. What is the constant angular acceleration of the wheel?
What is the maximum speed of the mass. What is the radial acceletation experience by mass while it remains at its max. angular speed.
Use approximate calculations assuming constant current during the output pulse. Calculate the ampere-hour rating of the battery so it lasts for five years.
A 2.65 block is pushed 1.69m up a vertical wall with a constant speed by a constant force of magnitude F applied at angle 55.4 degrees with the horizontal. g= 9.8 m/s2. If the coefficient of kinetic friction between the block & wall is 0.54, Calcu..
Find out vertical and horizontal components of the pendulum
A mass of 0.5 kg is suspended from a spring, which stretches by 8 cm. The support from which the spring is suspended is set into sinusoidal motion. At what frequehcy would you expect resonant behavior?
You are driving a car that weighs 1500 kg at 50 km/h, How much force would you need to apply on the wheels of your car through the breaks in order to be able to stop short of hitting the cat
Two carts with masses of 12.5 kg and 4.5 kg, respectively, move in opposite directions on the frictionless horizontal track with speeds of 8 m/s and 5 m/s, respectively. The carts stick together after colliding head-on. Find the final speed of the..
What is the vertical force on the support closest to piano.
A car travels north at 28.9 m/s for 14.3 min. It then travels south at 40.1 m/s for 28.5 min. a) What is the total distance the car travels? b) What is the displacement of the car?
A circuit has a battery voltage of 12.0 V, a 5.60 pF capacitor and a 300 kOhm resistor. what energy is stored in the fully charged capacitor
An 2400W arc welder is connected to a 660?Vrms ac line, Calculate the peak voltage and Calculate the peak current
When a 5.5 cm long pencil is arranged perpendicular to a convex mirror's optical axis at a distance of 29 cm from the mirror, its image is 2.8 cm tall. (a) What is the mirror's focal length? (b) How tall is the pencil's image if the pencil is move..
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