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After receiving an inheritance of $25,000 on her21st birthday, Ayn Rand deposited the inheritance"ina savings account with an effective annual interestrate of 6%. She decided that she would make regu-lar deposits on each future birthday, beginning with$1000 on her 22nd birthday and then increasing theamount by $200 in each following year (i.e., $1200on her 23rd birthday, $1400 on her 24th birthday, etc.).What was the future worth of Ayn's deposits on her56th birthday?
A transverse harmonic wave travels on a rope according to the following expression: y(x,t) = 0.15sin(2.2x + 17.4t), What is the average speed of the rope during one complete oscillation of the rope
An amount of ideal gas is con?ned to a sealed box at one-half atmospheric pressure, i.e., 50.65 kPa. What is the new pressure of the gas in the smaller box
questionan insulated thermos contains 149 g of water at 71 c. you place in a 10.7 g ice cube at 0 c to form a system of
Squid use jet propulsion for rapid escapes. A squid pulls water into its body and then rapidly ejects the water backward to propel itself forward. What is the magnitude of the force on the water being ejected
Sharon is standing on a giant skateboard that is initially at rest. If we ignore frictional effects with the floor, what is the momentum of the skateboard if Sharon walks to the right with a momentum of 1000 kg*m/s?
The gravitational slingshot effect. The planet Jupiter moving in the negative x direction at its orbital speed (with respect to the Sun). The mass of Jupiter is 1.89813 × 10^27 kilograms. Estimate the final speed of the spacecraft
At a recent rock concert, a dB meter registered 122 dB when placed 2.20 m in front of a loudspeaker on the stage. Determine the power output of the speaker
While a force of 6.0 N is applied, pulling the spring to the right, the elongation of the spring is 0.030m from its equilibrium position. What is the force constant of the spring
a 0.22-muf capacitor is charged by a 1.5-v battery. after being charged the capacitor is connected to a small electric
A container of hot water at 50 degrees cools to 49 degrees in how many seconds when it is placed in a room that is t 20 degrees. use newton's law of cooling to find the time it will take for the container to cool from 50 degrees to 49 degrees.
a mass of 4 kg is pulled along a 0 deg frictionless plane by a mass of 5 kg that is hanging perpendicular connected by a rope and pulley. what is the acceleration of the masses
A jet plane lands with a speed of 98 m/s and can accelerate at a maximum rate of 5.90 m/s2 as it comes to rest. (a) From the instant the plane touches the runway.
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