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A car speeds up as it turns from travelling due south to dueeast. When exactly halfway around the curve, the car's accelerationis 3.50 m/s 2, 30 degrees north of east.
What is the radial component of the acceleration at thatpoint?
______ m/s 2
What is the tangential component of the acceleration of thatpoint?
______m/s 2
A common flashlight bulb is rated at 0.108 A and 3.28 V (the values of current and voltage under operating conditions). estimate the temperature of the tungsten filament when the bulb is turned on
For a damped oscillator with a mass of 320g, a spring constant 82N/m and a damping coefficient of 71g/s, what is the ratio of the amplitude of damped oscillations to the initial amplitude at the end of 28 cycles.
The electric potential at a position located a distance of 19.8 mm from a positive point charge of 7.80×10-9C, Calculate the value of the second charge
A bicyclist of mass 75 kg ( including the bicycle) can coast down a 4.0 degree hill at a constant speed of 10 km/h. Pumping hard,the cyclist can descend the hill at a speed of 30 km/h.
A 2.00-g charged particle is released from rest in a region that has a uniform electric field vector E = (590 N/C) i hat. After traveling a distance of 0.470 m in this region, the particle has a kinetic energy 0.150 J.
A skier moving at 20 m/s down a 30.0 degree slope encounters a region of wet snow, with a coefficient of friction u= .740. How far down the slop does he go before stopping
Particle track detectors are used to measure the speed of particles if the lifetime of the particle is known. Particle X has a lifetime of 256.2 ps. What is the average speed of the particles in terms of the speed of light
A car drives straight off the edge of a cliff that is 60 m high. The police at the scene of the accident observed that the point of impact is 134 m from the base of the cliff. How fast was the car traveling while it went over the cliff.
Two charges repel each other with a force of 0.1 N when they are 5 cm apart. Find the forces between the same charges
A cockroach with mass m runs counter clockwise around the rim of a lazy Susan (a circular dish mounted on a vertical axle) of radius R and rotational inertia I with frictionless bearings.
An eagle with a 2.1m wingspan flaps its wings back and forth 20 times per minute, each stroke extending from 45 degrees above the horizontal to 45 degrees below. what is the average angular velocity of the wing
A car spring (lenght (0.2) m) is suspended from the ceillingof a garage . A 200kg mass is suspended from the spring which stretches an extra 0.004m . the spring is stretched slightly ( veryslightly ) further and released assume SHM and determine t..
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