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A plane accelerates from rest at a constant rate of 5.00 m/s2 along a runway that is 1800 m long. Assume that the plane reaches the required takeoff velocity at the end of the runway.
What is the time TO needed to take off?
What is the speed TO of the plane as it takes off?
One string of a guitar is 75 cm long. The mass of the string is 8g. What tension must you tune the string to if it is to have a second harmonic frequency of 440 Hz?
Using a ball that has unknown mass m. You plot your data in the form of f2 versus M/L, with f in rev/s,M in kg, and L in m. calculate the mass m of the ball
An observation satellite whose mass m= 4800 kg is to be put into a circular orbit around the earth at a height h= 322000 m above the surface in a precise north-south orbit. In this orbit, find the force of gravity exerted by the earth on the satell..
A small plane tows a glider at constant speed and altitude. If the plane does 2.09 105 J of work to tow the glider 130m, what is the angle between the tow rope and the horizontal
Two sinusoidal waves of the same period, with amplitudes of 5.0 and 6.5 mm, travel in the same direction along a stretched string; they produce a resultant wave with an amplitude of 10.036 mm. The phase constant of the 5.0 mm wave is 0. What is th..
An electric dipole consists of charges +2e and -2e separated by 0.89 nm. It is in an electric field of strength 4.4 x 106 N/C. Calculate the magnitude of the torque on the dipole
How would you describe the discoveries of Benjamin franklin, Robert millikan, cgarles-augastin de coulomb and Ernest ruthford
Tilted Land is flat, much like Western Utah, but in Tilted Land gravity does not point straight down! Where does the ball hit the ground
A box slides down a 36° ramp with an acceleration of 1.26 m/s2. find the coefficient of kinetic friction between the box and the ramp.
Suppose you start with the pendulum hanging vertically, at rest. You then give it a push so that it starts swinging with a speed of 8.1 m/s. What maximum angle (in degrees) will it reach, with respect to the vertical, before falling back down?
The force on a charged particle of mass 2.5 × 10-3 kg and charge 4.5 mC is observed to be 0.25 N/C. what is the electric field felt by the particle
If there is 1 kg of Cm-242 initially, what is the activity of Cm-242 after 4 years? Assuming zero Pu initially, what is the Pu-238 activity at the end of the 4 year period?
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