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An insect trapped in a circular groove of radius 12 cm moves along the groove steadily and completes 7 revolutions in 100 s. (a) What is the angular speed, and the linear speed of the motion? (b) Is the acceleration vector a constant vector ? What is its magnitude?
A charged particle moves in a region of uniform field along a helical path (radius = 1.0 cm, pitch = 6.0 cm) as shown. Illustrate what is the angle between the velocity of the particle and the magnetic field?
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly nine months, how fast must you travel
A solid block is attached to a spring scale. When the block is suspended in air, the scale reads 22.2N ; when it is completely immersed in water, What is the volume of the block
Suppose that a plane is traveling with a horizontal velocity of vx = +238 m/s at an altitude of y = 1053 m. determine the time required for the package to hit the ground
A football is kicked straight up into the air; it hits the ground 3.8s s later, What was the greatest height reached by the ball, Assume it is kicked from ground level
Two doors of the same unknown dimension lay inline and parallel horizontally to one another (Example: As viewed from above in an architectural drawing.
In one of the original Doppler experiments a tuba was played on a moving flat train car at a frequency of 75 hz, What beat frequency was heard if the train car approached the station at a soeed of 10m/s
Two resistors, 50.0 ? and 52.0 ?, are connected in parallel. The current through the second resistor is 2.10 A. What is the total power supplied to the two resistors
A proton is confined within an atomic nucleus of diameter 4.1 fm. Estimate the smallest range of speeds
A projectile launched vertically from the surface of the Moon rises to an altitude of 316 km. What was the projectile's initial speed
A laser beam is incident on two slits with a separation of 0.230 mm, and a screen is placed 5.10 m from the slits. what is the wavelength of the laser light
A sphere with radius 0.185m has density p that decreases with distance r from the center of the sphere according to p=3250 kg/m^(3) - (8750 kg/m^(3))r. Find total mass of the sphere
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