How many baseball cards does one have
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?
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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.
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 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?
You deposit $750.00 in an account that earns 5% simple interest. How much interest will your money earn in 6 months?
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 55 kg and the skateboard's mass is 5.0 kg.
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 how long the sled takes to travel from A to B.
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 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.
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