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In the beginning of the exercise a 225 N force is applied perpendicular to the bar at a distance of 1 meter from the point of attachment. What is the torque on the bar at this point? If the lift is maintained at a force of 225N and move through an angle of 45 degrees in 0.8 seconds how much angular work is done? and what is the angular power?
The loss of heat to the external environment is negligible. When equilibrium is established, the temperature is 30.0°C. Illustrate what is the specific heat capacity of the specimen?
As the figure illustrates, the sound reaches the person by two paths: the sound reflected from the building in front of the car, and the sound coming directly from the siren. The speed of sound is 343 m/s. What frequency does the person hear for t..
A tuning fork vibrating at 515 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves with a frequency of 484 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
A spherical water drop 1.20μ m in diameter issuspended in calm air owing to a downward-directed atmosphericelectric field E = 442 N/C. What is the weight of the drop
You throw a rock vertically upward with an initial speed of 19.9 m/s. How much time does it take for the rock to hit the ground
the specific heat of ice is 2.10 kjkg degc the heat of fusion for ice at 0degc is 333.7 kjkg the specific heat of water
A parallel-plate capacitor has square plates of edge length1.1 cm and a plate spacing of0.09 mm. If the gap between the platesis filled with mica, what is the capacitance?
At t=3.0 seconds, the insects are at the top. Calculate the following at this moment for both the ladybug & butterfly: Angular velocity, Linear velocity, Angular acceleration, Centripetal acceleration, Tangential acceleration, & magnitude of total..
Anelectron is accelerated from rest by a potential difference of350 V. It then enters a uniformmagnetic field of magnitude 200 mTwith its velocity perpendicular to the field. Calculate the radius of its path in the magnetic field
Assume a 45 turn coil lies in the plane of the page in a uniform magnetic field that is directed into the page. Determine what is the direction of induced emf
A 30kg child slides down a playground slide at a constant speed. find the magnitude of the kinetic friction force acting on the child
A 40 g ball of clay traveling east at 5 m/s collides with a 80 g ball of clay traveling 30 degrees south of west at 1 m/s. What are the speed and direction of the resulting 120 g ball of clay?
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