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The position of an object connected to a spring varies with time according to the expression x = (5.9 cm) sin(8.7?t). (a) Find the period of this motion. s (b) Find the frequency of the motion. Hz (c) Find the amplitude of the motion. cm (d) Find the first time after t = 0 that the object reaches the position x = 2.6 cm. s
You put a kettle on to boil and forget about it so that all the water boils away. what is the change in entropy of the water once it has all turned to steam
An object 6.0mm high is placed 18cm from a convex mirror of radius of curvature 18cm. Determine the image distance using the mirror equation
A helicopter is flying in a straight line over a level field at a constant speed of 5.4 m/s, How would you calculate the angle the velocity vector makes with the ground at the instant before impact
Find out vertical and horizontal components of the pendulum
An old-style TV set places 20 kV across two plates of a parallel plate capacitor. What is the speed of the electron when it exits the hole in the plate
Describe in words how you would go about calculating the work done by the electric field on the electron as it travels along its trajectory.
A 6.10 g lead bullet traveling at 310 m/s is stopped by a large tree. what is the increase in temperature of the bullet
Two charged particles with different speeds move one at a time through a region of uniform magnetic field. Find the ratio of the speeds
A compass needle in a uniform magnetic field of 0.25 T experiences a torque of 0.030Nm, What is the magnitude of the needle's magnetic moment
q. two perpendicular long straight wires both of which lie in the plane of the paper. the current in each of the wires
A photon of wavelength 4.28 x 10^-2 nm strikes a free electron and is scattered at an angle of 32.0 degrees from its original direction. find the energy gained by the electron
An ideal, monatomic gas is allowed to expand quasi-statically and adiabatically from an initial volume Vi = 4.1 liter and initial temperature Ti = 390 K to a final volume of Vf = 9.2 liter. Calculate the heat added to the system in this isothermal ..
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