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A person exerts a force of 68N on the end of a door 75cm wide.
A. What is the magnitude of the torque if the force is exerted perpendicular to the door?
B. What is the magnitude of the torque if the force is exerted at a 45 degrees angle to the face of the door?
A hollow aluminum cylinder 24.5 cm deep has an internal capacity of 2.000 L at 22.0°C. It is completely filled with turpentine at 22.0°C. How much turpentine overflows
A beam of protons at an accelerator creates a current of 164uA. If the beam is focused on a target, how many protons strike the target in 60.0s
A 2-kg block is initially at rest on a horizontal frictionless surface at x = O. What is the maximum kinetic energy of the block between x = 0 and x = 2 m
Water drips from the nozzle of a shower onto the floor 235 cm below. The drops fall at regular (equal) intervals of time, the first drop striking the floor at the instant the fourth drop begins to fall. Find the location of the third drop as measured..
King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, How far from the castle wall does the launched rock hit the ground
a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below. Determine the magnitude and direction of the current in the lower wi..
a 3.00 kg block starts from rest at the top of a 30 degree incline and slides 2.00 meters down the incline in 1.50
A particle has a de Broglie wavelength of 2.9 x 10-10m. Then its kinetic energy increases by a factor of 5. What is the particle's new de Broglie wavelength
What is the angular momentum of a 3.2 kg uniform cylindrical grinding wheel of radius 12cm while rotating at 1400 rpm.
A nurse measures the temperature of a patient to be 39.3°C. What is this temperature on the Fahrenheit scale
An object weighing 347 N in air is immersed in water after being tied to a string connected to a balance. Calculate the density of the object
An ideal gas initially at 20°C and 219 kPa has a volume of 4.70 L. It undergoes a quasi-static,, Find the heat added to the gas during the expansion.
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