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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.
A 65-kg woman cheats on her diet and eats a 612-Calorie (612 kcal) jelly doughnut for breakfast. If the human body is only 21% efficient in converting chemical energy to mechanical energy, how many stairs must the woman climb to work off her breakf..
One of the asteroids, asty, looks like an elongated potato. Surprisingly it has a tiny (compared to asty) spherical moon! Find the escape speed on Dactyl
Two 4.4 kg bodies, A and B, collide. The velocities before the collision are A = (12 + 46) m/s and B = (-32 + 22) m/s. After the collision, 'A = (-16 + 30) m/s. What is the change in the total kinetic energy
What electric potential energy will a fourth charge q4 = 4mC and located at the origin with respect to the other three charges experience and what is the pendulums period for small angle oscillations?
question1with ones eye at a height of 1 m above water level on a lake one can just see over the horizon a point on the
q1. monochromatic light from a distant source is incident on a slit 0.750 rm mm wide. on a screen 2.00 rm m away the
When a spacecraft travels from Earth to the Moon, the gravitational force from Earth initially opposes this journey. How far from Earth must the spacecraft be for the gravitational forces from the Moon and Earth to just cancel
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. With what speed did she reach the platform
What is the wavelength of an 102.1 FM radio station and What is the wavelength of an 1310 AM radio station
An electromagnetic wave with frequency 56.0 Hz travels in an insulating magnetic material that has dielectric constant 3.72, What is the speed of propagation of the wave
An ideal spring with a spring constant of 16 N/m is suspended vertically. What is the extension of the spring when the speed is a maximum
A 1.35 kg object is moving in the x direction at 16.4 m/s. Just 3.61 s later, it is moving at 28.8 m/s at 36.0^circ to the x axis. What is the magnitude of force applied throughout this time.
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