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A cheerleader waves her pom-pom in SHM with an amplitude of 18.8 cm and a frequency of 0.870 hz.
A- Find the maximum magnitude of the acceleration.
B- Find the maximum magnitude of the velocity.
C- Find the acceleration when the pom-pom's coordinate is x= 9.50 cm .
D- Find the speed when the pom-pom's coordinate is x= 9.50 cm .
E- Find the time required to move from the equilibrium position directly to a point a distance 12.5 cm away.
Car A uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. The maximum speed at which the car can negotiate this curve is 25 m/s. Car B uses tires for which the coefficient of static friction is 0.65 on the s..
A 109 V potential difference is applied to a space heater whose resistance is 12 when hot. At what rate is electrical energy transferred to heat
Disk 1 has a radius of 5 cm and mass of 1 kg it spins at an angular velocity of 2 rad/s a second disk is dropped on top of disk 1. what was the mass of the second disk
An electric motor rotating a workshop grinding wheel at a rate of 1.13 102 rev/min is switched off. How long does it take for the grinding wheel to stop
The rocket fires for 10 mins , after that the asteroid is moving at 30 degrees to its original path at the speed of 18 km/h/ Find its average acceleration.
You are a secret agent and find that you have been pushed out of an airplane without a parachute. what is your new terminal velocity with the coat
If the radius of curvature of the cornea is 0.65cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina
He-Ne lasers are often used in physics demonstrations. They produce light of wavelength 633nm, What is the average energy density in the laser beam
A capacitor consisting of two plates separated by a distance d of 4.25 x 10^-3, with an area A of 8.15 x 10^-4 m^2, What is the numerical value of the energy for the capacitor
A circular disc of mass 10 kg is suspended by a wire attached to its centre. Determine the torsional spring constant of the wire
q1. if the create has a mass of 90 kg and is 1.6 m tall and 0.80 m in depth and width what is the minimum force needed
A 2.00-mol sample of a diatomic ideal gas expands slowly and adiabatically from a pressure of 5.02 atm and a volume of 12.8 L to a final volume of 29.0 L. What are the initial and final temperatures
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