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Suppose we have an uphill lie7.0 m from the cup. Calculate the allowable range of initial velocities we may impart to the ball so that it stops in the range1.0 m short to1.0 m long of the cup.
During a fun run a girl runs for 12 s moving 2.7 m/s. She then accelerates at 0.5 m/s^2 over the next 25 m. she then runs at her new speed for 10s. What distance did she cover during the entire period?
The takeoff speed for a jet liner is 100 m/s. The mass of the airliner = 30 x 103kg, coefficient of friction between its tires and runway surface =0.1, and the engine thrust = 150 x 103N. Starting from rest, how much time is needed for take off?
Two forces of 2 and 3N, respectively, make an angle of 50 degrees with each other. Determine the resultant analytically by applying the cosine law, namely, R^2= A^2 +2AB cos (theta) + B^2, where A and B are the two forces and R is the resultant?
A 0.58 cm high object generates an image that is 1.7 cm high. The lens has a focal length of 9.6 cm. Find the image and object distances
An object is moving with constant acceleration. During 24 s of the motion the object traveled 40 m and during the same 24 s the object speedincreased 4 times. Calculate the acceleration.
The voltage across the terminals of a 9.20V battery is 8.40V when the battery is connected to a 50.0? load. What is the battery's internal resistance
The vibration of an o2 molecule has a wavenumber of 1580.4 cm^-1 Calculate the energy (in joules) of the first excited state?
a person pushes with a force of 10n on a stick pin to try to push it into a bulletin board. if the tip of the needle is
A man pushes a heavy box up a plank inclined at an angle of 30. Calculate the ideal mechanical advantage of this incline plane
a soccer player kicks a rock horizontally off a 41.3 m high cliff into a pool of water. if the player hears the sound
an atom of mass m1 m moves in the positive x direction with speed v1 v. it collides with and sticks to an atom of
A thin, square, conducting plate 51.5 cm on a side lies in the xy plane. A total charge of 4.25 10-8 C is placed on the plate. Find the charge density on each face of the plate
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