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The position of a particle is given by 0.10cos(10pi t) m, where t is in s.
A) What are the frequency and the period?
B) What is the amplitude?
C) What is the maximum speed?
D) What is the maximum acceleration?
E) What is the first time after t=0 that the particle is at the equilibrium position?
F) What is the first time the particle is at x=0 and moving towards +x?
You are an astronaut (m = 90 kg) and travel to a planet that is the same mass and size as Earth, What is your apparent weight at the equator of this planet
Fortunately our environment radiates too. The human body absorbs this radiation with an absorbance of 97.0 percent, How much energy does our body lose in one second
If the magnitude of vector A is 10.0 m and that of vector B is 12.5 m, what is the range of values allowed for the magnitude of the sum of A and B?
A particular guitar string is supposed to vibrate at 200Hz, but it is measured to actually vibrate at 209Hz. By what percent should the tension in the string be changed to get frequency to the correct value.
A proton is propelled at 2 x 10^6 m/s perpendicular to a uniform magnetic field. If it experiences a magnetic force of 5.8 x 10^-11 N, find the strength of the megnetic field
q1. a proton travels with the speed of 8.34times105 ms at an angle of 32.3deg with the direction of a magnetic field.
A log floats in a river with 1/5 of its volume above the water. Density of water is 1000 kg/m, how much of the volume is now above the water
The distance from the thrower's axis of rotation to the hammer head is 1.2 m. The hammer has a mass of 7 kg. What is the linear (tangential) velocity of the hammer head
A child pulls on a wagon with a horizontal force of 75 N. If the wagon moves horizontally a total of 42 m in 3.4.0 min, what is the average power generated by the child
A possible spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. what is its acceleration at the radius of the Earth's orbit
What direction is white dot on the sensor pointing
The 200 g head of a golf club moves at 40 m/s in a circular ARC of 1.2 m radius. How much force must the player exert on the handle of the club to prevent it from flying out of her hands at the bottom of swing? Ignore the mass of the club's shaft.
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