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Read the ABC case study (available on Moodle) and respond to following questions in a box provided.
when light with a wavelength of 545 shines on a metal surface electrons are ejected with speeds of 3.1 x 105 ms or
A nonconducting thin layer carries charge with a uniform density of 8.40 µC/cm2. (a) What is the electric field 3.80 cm in front of the wall if 3.80 cm is small compared with the dimensions of the wall? magnitude and direction?
In Fig. 23-45, a small, nonconducting ball of mass m =1.4 mg and charge q = 2.9 x 10-8 C (distributeduniformly through its volume) hangs from an insulating thread thatmakes an angle θ = 44° with a vertical, uniformly chargednonconducting sheet (sh..
Calculae the flow rate ( in grams per second) of blood in the aorta if the flow speed is 42 cm/s.
oppositely charged parallel plates are separated by 4.67 mm. a potential difference of 600 v exists between the
Estimate the change of colors of buildings and tree leaves when we look at them from a flying plane. The speed of the plane is 1000 km/h.
A 2.0 kg ball is thrown at the suspended 29.4 kg block with a velocity of 3.5 m/s. The coefficient of restitution between the ball and the block is e = 0.69. What is the maximum height h to which the block will swing? (mm)
A. For the same total current, 40.0 W is delivered when the resistors are connected in parallel. Determine the values of the two resistors
a horizontal rifle is fired at a bulls-eye. the muzzle speed of the bullet is 670 ms. the gun is pointed directly at
two cars, A&B are 400 meters apart. Car A travels due east at 30 meters per second on a collision course w/ car B, How much time elapses before the two cars collide
You are diring a car on a freeway and you happen to be behind a big truck. Estimate the force of the rock on the windshield
a stone is dropped in still air from the deck of a high bridge. the sound of the splash reaches the deck 3 seconds
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