Questions tagged 'Physics'
312 questions
In Gauss’s law, to what does q_encl refer?
a) The net charge enclosed within the closed surface. b) The charge located on insulating materials inside the closed surface. c) All the charge present in the entire physical system. d) Any charge in...
A parallel-place capacitor is formed from two 4.0 cm x 4.0 cm electrodes spaced 2.0 mm apart.?
A parallel-plate capacitor is constructed using two electrodes, each measuring 4.0 cm x 4.0 cm, and separated by a distance of 2.0 mm. The electric field strength within the capacitor is 1.0 x 10^6 N/...
A copper wire is 20m long on a winter day when the temperature is – 12 Degrees Celsius?
A copper wire measures 20 meters in length on a winter day when the temperature is –12 degrees Celsius. How much does its length increase on a summer day when the temperature reaches 26 degrees Celsiu...
An airplane flies with a velocity of 750. kilometers per hour, 30.0 o south of east. What is the magnitude?
An airplane is flying with a velocity of 750 kilometers per hour at an angle of 30.0 degrees south of east. What is the magnitude of the eastward component of the plane's velocity?
a pitcher throws a ball, what is work in physics?
A pitcher throws a ball at 90 mph, and the catcher stops it in her glove. a. Is the work done on the ball by the pitcher positive, negative, or zero? b. Is the work done on the ball by the catcher po...
Advice for the Quarterback question?
A quarterback is preparing to throw the football to a receiver who is running away from him at a constant velocity ( V_r ). The receiver is currently a distance ( D ) away from the quarterback. To ens...
A small ball rolls around a horizontal circle at height y inside the cone shown in Figure P7.40. Find an expre?
A small ball rolls around a horizontal circle at a height ( y ) inside the cone shown in Figure P7.40. Find an expression for the ball’s speed in terms of ( y ) and ( g ) only. Consider the following...
FInd the Torque? …….. please help?
A machinist is using a wrench to loosen a nut. The wrench is 25.0 cm long, and he exerts a force of 17.0 N at an angle of 37 degrees with respect to the handle. What is the magnitude of the torque...
Oct 14, 2024
Consider a process in which an ideal gas is compressed to one-sixth of its original volume at constant temp?
Consider a process in which an ideal gas is compressed to one-sixth of its original volume while maintaining a constant temperature. What is the entropy change per mole of the gas during this process?...
Oct 14, 2024
Given the formula E = IR what is the formula for R?
Given the formula E = IR, what is the formula for R? A. R = EI B. R = E ÷ I C. R = I ÷ E D. R = IE