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Uniform circular disk is attached at the rim to a vertical shaft and is used as a cam. Two views of the disk and shaft are shown. The disk has a diameter of 32 cm and a mass of 140 grams. The shaft
A -12 nC charge is located at the origin. What is the strength of the electric field at the position (x,)= (-5.0 cm, -5.0 cm)? E= _____ N/C
The speed -time graph of a particle moving along a fixed direction is shown below.Obtain the distance travelled by the particle between t=0 and t=10s. What is the average speed of the particle over
A 4.39 kg block slides down a smooth, frictionless plane having an inclination of 25 . The acceleration of gravity is 9.8 m/s/s Find the acceleration of the block.
What value of magnetic field is required to accelerate deuterons? What is the Deuteron energy? (charge of deuteron = Ie, and mass of deuteron is 2mp).
"Three equal point charges, each with charge 1.85*10^-6 C , are placed at the vertices of an equilateral triangle whose sides are of length 0.300m. What is the electric potential energy of the syst
Young's Double Slit Experiment is performed with 589 nm light and a distance of 2.00 m between the slits and the screen. The fifth interference minimum is observed 7.50 mm from the central maximum.
A wrecking ball is suspended from a 3.5-m-long cable that makes a 20 angle with the vertical. The ball is released and swings down. What is the ball's speed at the lowest point?
A car drives off the edge of a cliff that is 46 meters high. The point of impact is 127 meters from the base of the cliff. How fast was the car traveling when it went over the cliff?
What is inverse square law for light waves? how was it applied there? and how light is being filtered in a polarizer as well as in neutral filter..
A football player runs directly down the field for 36 m before turning to the right at an angle of 22 from his original direction and running an additional 12 m before being tackled. a) What is the
What is cloning's MOST IMPORTANT impact on psychology? Cloning may cause mental illness. Cloning has no impact on psychology. Cloning may be used for cures for diseases of the nervous system. Cloning
A 91.0 N grocery cart is pushed 12.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. If all frictional forces are neglected and the cart starts from rest, what is th
If you are in an automobile accident with an initial speed of 112 km/h and are stopped by an airbag that inflates from the dashboard, over what distance must the airbag stop you for you to survive
One of the major categories of receptors in the plasma membrane reacts by forming dimmers, adding phosphate groups, then activating relay proteins. Which type does this?
The effect of high pressure on organisms, including humans, is studied to gain information about deep-sea diving and anaesthesia. A sample of air occupies 1 L at 25 0C and 1 atm. What pressure is n
A 60 kg boy and a 40 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.8 m/s2, determine the magnitude of
The driver of a 1250 kg car, initially traveling at 11.6 m/s, applies the brakes, bringing the car to rest in a distance of 20.5 m. Find the net work done on the car.
A shot-putter puts a shot (weight = 70.7 N) that leaves his hand at distance of 1.53 m above the ground. Determine the change (ΔPE = PEf - PE0) in the gravitational potential energy of the shot.
What is the difference between a continuous graph and a discontinuous graph?
An ocean liner leaves New York City and travels 21.0° north of east for 134 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship
Post a 200- to 300-word response explaining why the process of mitosis and meiosis are both important to a living organism. When would an organism need to undergo the process of mitosis? Mei
An observer, whose eyes are 1.90 m above the ground, is standing 43.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with the tre
Find the magnitude of the gravitational force that each part exerts on the other out in space, far from any other objects.
A mine shaft has an elevator hung from a single steel wire cable of diameter 2.5 cm. When the cable is fully extended, the end of the cable is 500 m below the support. How much does the fully exten