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During takeoff, an airplane goes from 0 to 78 m/s in 11 s.
(a) What is its acceleration?
(b) How fast is it going after 4 s?
(c) How far has it traveled by the time it reaches 78 m/s?
A uniform ladder of length L and mass m leans against a frictionless vertical wall, making an angle of 48° with the horizontal. how high can you climb before the ladder begins to slip
A sanding disk with rotational inertia I is attached to an electric drill whose motor delivers a torque of magnitude? about the central axis of the disk. what is the magnitude of the angular momentum
determine the components of the reaction at point C when θ= 0.
In which collision is the impulse on the cart greater. The magnitude of the charge on an electron is 1.6e-19 C
A rectangular coil composed of 58 turns of wire has an area of 16 cm2 and carries a current of 2.1 Amp. Calculate the magnitude of the magnetic field
A skier starts from rest at the top of a 48 m hill, skis down a 32° incline into a valley, and continues up a 28 m high hill. How fast is the skier moving at the bottom of the valley
when tension would be required to create a wave with 4 segments in a string which is 100 cm long weighing 6.50 g. if it is attached to a vibrator with frequency of 100 hz
A disk of radius R has a hole in the center of radius a (like an audio compact disk). If the disk holds a uniform surface charge ?, determine the expression for the electric field at a point P that lies along the central perpendicular axis of the dis..
A cable is 5.00 m long and has a diameter of 1.50 mm. The tensile modulus of the cable is 2.50 × 1010 N/m2. A force is applied to the end of the cable and the cable stretches by 3.00 mm. What is the applied force?
If the rescue craft is half submerged - that is, the top hemisphere is still visible above the waterline - what is the mass of the men inside?
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 15 m/s, skates by with the puck. How far has he traveled in that time
a triple-slit experiment illuminates three equally spaced narrow slits with light of wavelength lambda. the intensity
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