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Around the garden she has a 4 foot wide sidewalk. The area of the sidewalk is 320 feet squared. What are the dimensions of the garden?
The lifts always stop at the lobby floor which is below the first floor. If the hotel had more floors, which would be the lowest floor at which the lift would stop at every day of the week?
A 0.344 kg mass is attached to a spring and undergoes simple harmonic motion with a period of 0.95 s. The total energy of the system is 2.8 J. Find the amplitude of the motion.
Each grab bag will have the same number of items, and all the items in a bag will be the same. How many items can Grace put in each bag?
In a laboratory, a wavelength of a particular hydrogen emission line (Balmer beta line) is observed as 486.1 nm. If the same emission line appears in a star's spectrum at 486.3 nm, what is the stars
If Robby rented 19 movies total with the same number of dramas, twice as many comedies, and twice as many documentaries as Gina, how many movies of each type did Gina rent?
What is the frequency of the car's vibration if its mass (empty) is 1700 kg?
Assume that the transmission of the van is in neutral, the brakes are not being applied, and the collision is elastic. What is the final velocity of each vehicle?
Enguun earns $17 per hour tutoring student-athletes at Brooklyn University. If Enguun tutored for 12 hours this month, how much money did she earn this month?
An electron moves through a uniform electric field E = (2.80i + 4.50j) V/m and a uniform magnetic field B = 0.386k T. Determine the x- and y-component of the acceleration of the electron when it has
Dustin had five outstanding checks that totaled $117.54. What should his check register balance be if he had an ending balance of $599.43 and outstanding deposits that totaled $235.14?
Dana wants to invest $3,000 at 5% simple interest. How many years will it take for the total amount in her account to reach $4,500?
A golf ball strikes a hard, smooth floor at an angle of ? = 32.4° and, rebounds at the same angle. The mass of the ball is 0.037 kg, and its speed is 45 m/s just before and after striking the fl
Determine his or her actual weight status (underweight, normal, overweight or obese) using the original BMI formula at the top of the instructions.
A capacitor with capacitance C = 4.10·10^-6 F is connected to an AC power source having a peak value of 6.0 V and f = 130 Hz. a) Find the reactance of the capacitor.
The springs of a 1600 kg car compress 4.0 mm when its 62 kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations?
A sled slides along a horizontal surface on which the coefficient of kinetic friction is 0.28. Its velocity at point A is 8.0 m/s and at point B is 4.8 m/s. Use the impulse-momentum theorem to find
Dan is gliding on his skateboard at 3.0 m/s. He suddenly jumps backward off the skateboard, kicking the skateboard forward at 8.0 m/s. How fast is Dan going as his feet hit the ground? Dan's mass is
Allison has 5 times as many baseball cards as football cards. In all, she has 120 baseball and football cards. How many baseball cards does Allison have?
You deposit $750.00 in an account that earns 5% simple interest. How much interest will your money earn in 6 months?
A 16 g ball of clay traveling east at 3.4 m/s collides with a 30 g ball of clay traveling north at 2.0 m/s. What are the speed and the direction of the resulting 46 g ball of clay?
A day that is dazzling is 5 times brighter than a day that is radiant. How many times brighter is a dazzling day than a dim day if the dim day is 2 and the dazzling day is 5?
A ship travels due south for 3km, then on a true bearing of 130 degrees for 5km find how far east the ship is from its starting point correct to two decimal places.
Engineers have developed a bathyscaph that can reach ocean depths of 5.3 mi. If the density of seawater is about 1030 kg/m3, what is the absolute pressure at that depth? The acceleration of grav
An automobile engine slows down from 4500 rpm to 1200 rpm in 2.5 s. Calculate: a) Its angular acceleration, assumed constant.