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Describe the motion of a ball as it rolls up a slanted driveway the ball starts at 2.5m/s slows down for 5.0s stops for an instant and rolls back down at an increasing speed. The positive direction is chosen to be up the driveway and the origin is at the place where motion begins. what is the sign of the ball's acceleration as it rolls up the driveway? what is the magnitude of the ball's acceleration?
At a certain location, the Earth's magnetic field has a magnitude of 5.8×10^-5, Find the magnitude of the magnetic flux through the top of a desk at this location that measures 140cm by 77cm
A crate with mass 36.0 initially at rest on a warehouse floor is acted on by a net horizontal force of 142. Explain how far does it travel in 12s and what is its speed at that time?
A 5 turn loop of wire with a radius of 4cm moves toward a 0.15T magnetic field in a 3 second time interval. What is the average emf induced in the loop? If the loop has a resistance of 5 ohm, what current is generated?
An insect that is 5.30 mm long is placed 8.9 cm from a converging lens with a focal length of 12.0 cm. find the angular magnification if the lens is close to the eye
how high above the target must the rifle barrel be pointed.
suppose a manufacturing company makes a certain item. the time to produce each item is normally distributed around a
a small bar magnet experiences a 2.1 x 10^-2N*m torque when the axs of the magnet is at 45 degree to a 6.00 *10^-2 T magnetic field. What is the magnitude of its magnetic dipole moment
You bike at 12.1 m/s directly away from your neighbor\'s trumpet sound and toward the sound of another neighbor\'s trombone, What frequency is the trombonist producing
A 2-kg block rests on top of a table 80 cm from the floor. Find the potential energy of the book relative to the floor
A metal ball with a mass of 3.81·10-6kg and a charge of +5.21 mC has a kinetic energy of 4.77·108J. how close will it come to the plane before stopping
A force that varies linearly with time according to a relation F = 4t N is applied to an object travelling with a speed of 16-m/s. If the force decelerates the object to a complete stop in 5s, determine the object's mass. Imagine the force is at f..
The flowers of the bunchberry plant open with astonishing force and speed, causing the pollen grains to be ejected out of the flower in a mere 0.30 ms at an acceleration of 2.5×104 m/s2. Evaluate with what speed are pollen grains ejected from a b..
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