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A uniform rod of mass M and length L can pivotfreely (i.e., we ignore friction) about a hinge attached to a wall,as in Fig. 8–54. The rod is held horizontally and thenreleased. At the moment of release, determine (a) the angular acceleration of the rod, and (b) the linearacceleration of the tip of the rod. Assume that the force ofgravity acts at the center of mass of the rod.
A proton accelerates from rest in a uniform electric ?eld of 677 N/C. At some later time, its speed is 9.4 × 10 5 m/s. how far has it moved in this time interval
q1. a 430g block slides along a frictionless surface at a speed of 0.35 ms. it runs into a horizontal massless spring
You shoot a 47-g pebble straight up with a catapult whose spring constant is 310 N/m. How high above the starting point does the pebble fly
in a hurricane, the air (density 1.2kg/m3) is blowing over the roof of a house at a speed of 104km/hr. what is the lifting force on the roof of area 100m2
Because the neutron has no charge, its mass must be found in some way other than by using a mass spectrometer. Find the mass of the neutron from these data
A conducting slab (think of a large flat sheet of metal) is large compared to the size of individual particles, What is the acceleration of these particles
A beam of light traveling in air strikes the surface of mineral oil at an angle of 17.8° with the normal to the surface. If the light travels at 2.17 X 108 m/s in the oil, determine the index of refraction of mineral oil
A golf ball of mass 4.50 10-2 kg is struck by a club. Compute the average force the club exerts on the ball by finding its average acceleration
A liquid (? = 1.65 g/cm3) flows through two horizontal sections of tubing joined end to end. In the first section, the cross-sectional area is 10.0 cm2, Calculate the smaller section's pressure
A certain speed boat weighs 5,880 N. It can accelerate from 0 to 40 m/s in 5 seconds. (Need to see the math). How large is the net force acting on the boat
A startled armadillo leaps upward, rising 0.575 m in the first 0.195 s. What is its initial speed as it leaves the ground
For the definitions please include the equations to: Give a definition of the moment of inertia and Give a definition of the torque as a vector. Briefly describe torque
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