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Question: The motor in a toy car operates on 6.00 V, developing a 4.50 V back emf at normal speed. If it draws 2.80 A at normal speed, what current does it draw when starting? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.
A delinquent is able to accelerate a 200 g snowball from rest to a speed of 20 m/s over a distance of 1.2 m. What is the work (in J) done on the ball by this troubled youth? You may assume that the snowball travels perfectly horizontally (i.e., paral..
Find out the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of 1350 . Assume that the player's foot is in contact with the ball for 6.00×10-3.
Only radiation with wavelengths smaller than 0.2424um is capable of dissociating molecular oxygen into atomic oxygen, according to the reaction: O2 + photon
What resistive force (assumed to be constant) does the wood exert on bullet? How long does it take the bullet to come to rest.
A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. How far is her face from the hubcap
With light from a gaseous discharge tube incident normally on a grating with slit separation 1.92 ?m, Compute the wavelength of the light
A car is traveling at 29m/s when the driver spots a large pothole in the road the distance 37 m ahead. She immediately applies her brakes. If her acceleration is -6.60m/s2, does she manage to stop before reaching pothole.
a 0.190kg block of ice is placed against a horizontal compressed spring mounted on a horizontal tabletop that is 1.10m
White light, with frequencies ranging from to , is incident on a potassium surface. Find the maximum kinetic energy of electrons ejected from this surface
as two boats approach the marina the velocity of boat 1 relative to boat 2 is 2.20ms in a direction 47.0 east of north.
An electron and a positron have masses of 9.11 10-31 kg. They collide and both vanish, determine the energy of the electromagnetic radiation
An electric motor can accelerate a Ferris wheel of moment of inertia I = 18500kg·m2 from rest to 10.1rev/min in 12.0s. When the motor is turned off, friction causes the wheel to slow down from 10.1 to 8.1 rev/min in 10.0s.
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