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A 3.20kg box that is several hundred meters above the surface of the earth is suspended from the end of a short vertical rope of negligible mass. A time-dependent upward force is applied to the upper end of the rope, and this results in a tension in the rope of T(t)=(36N/s)t. The box is at rest at t=0 . The only forces on the box are the tension in the rope and gravity. What is the velocity of the box at 1.00 ? What is the velocity of the box at 3.00 ? What is the maximum distance that the box descends below its initial position? At what value of does the box return to its initial position?
A 16 g rifle bullet traveling 180 m/s buries itself in a 3.5kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. find the horizontal component of the pendulum's maximum displacement.
suppose you had two objects separated by 1000 meters. one had a mass of 50 kg and the other had a mass of 150 kg. what
A monatomic ideal gas expands adiabatically from an initial volume of 72 L, What is the final volume of the gas
how does the angular separation between fringes in single-slit diffraction experiment change when the distance of
an electric dipole has charges of 4.55pc that are separated by 6.75cm. the dipole lies on the x-axis its positive end
A rectangular loop of wire that is 36 cm wide and 25 cm long lies in the x-y plane in a region where the magnetic field is B = 1.1 T and directed at an angle of 63° with the z axis
question1. nbspgravity you shouldnrsquot need a calculator for these problems a sum up the universal law of gravitation
Compute the magnitude of the average acceleration
How far (in {rm nm}) does the electron move before reaching a turning point? Because of their larger mass, the protons remain fixed all through this interval of time.
The fundamental frequency of a pipe that is open at both ends is 560 hz . a) How long is this pipe? Use v = 344m/s . b) If one end is now closed, find the wavelength of the new fundamental. c) If one end is now closed, find the frequency of the new f..
A probe is traveling in deep space at a speed of 4000 m/s. It has a total mass of 5000 kg. It fires its rocket motor to brake to 3000 m/s, what is the probe's final velocity
A loop of diameter d = 10 cm, carrying a current I = 0.2 A is placed inside a magnetic field = 0.3 T . The normal to the loop is parallel to a unit vector Calculate the magnitude of the torque on the loop
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