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A 0.12 kg block on a horizontal friction less surface is attached to a spring whose force constant is 570 N/m. The block is pulled from its equilibrium position at x = 0m to a displacement x = +0.040m and is released from rest. The block then executes simple harmonic motion along the x-axis (horizontal). What is the displacement of the block at time t=0.20s is closest to?
A small wooden block with mass 0.875kg is suspended from the lower end of a light cord that is 1.80m long. What was the initial speed v0 of the bullet
A turntable is switched from 4.71 rad/s (45rpm) to 3.49 rad/s(331/3) and the platter rotates through an angle of 11.5 rad inreaching the new angular speed, What is angular accelerationof the platter
A mad scientist is designing a trap for intruders that will liftthem up into the air and hold them helpless. The device consists ofan equilateral triangle, 10.0 meters to a side, embedded in his floor.
A 1500kg car takes a 50 m radius unbanked curve at 15m/s. What is the size of the friction force on the car
question11 give an everyday instance that illustrates the difference between acceleration and velocity. give a case of
A cylindrical capacitor consists of a solid inner conducting core with radius 0.200cm , surrounded by an outer hollow conducting tube. Calculate the outer radius of the hollow tube
A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.50m/s2. What is the work done by the gravitational force
if two masses m1 and m2 are confined to a circle and identical springs with spring constant k connect the masses find
how does the use of h ii regions to find a galaxys distance differ from the use of cepheid variables? in question 4
if a boat floats in two types of liquid, one more desnse than theother, where is the buoyant force greater on the boat
A disk of mass M and radius R spins on a horizontal axis during its center. Particle, mass m, is on the rim at the top. When it now starts to spin what is disks (a) angular speed at m's lowest point (b) force exerted with disk on m
A tennis player A is initially 5m west of the net and is running with a constant velocity of 9km/hr due East. How far from the net are the runners
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