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1. A quadcopter is initially moving at 18 m/s north. It then accelerates at 6 m/s2 to the south for 4 s. How far does it travel during the 4 s?
2. A motorcycle starts from rest and accelerates at a rate of 10 m/s2 for 4 seconds and then accelerates at a rate of 2 m/s2 for 3 seconds. How far did the motorcycle travel in 7 s?
A child knocks a 1.2 kg vase off of a table 1.5 m above the ground. What impulse did the floor exert on the vase
Three forces acting on an object are given by Force 1 = (?1.5i + 5.50j) N, Force 2 = (4.85i ? 1.9j) N, and Force 3 = (?41.5i) N. What are the velocity components of the object after 17.0 s
A block with a mass m1 = 1.5 kg is pushed by a mass m2 = 1 kg against a spring with a force constant of k = 750Nm^-1. What is the period of the motion initially
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
a vertical right circular cylindrical tank measures 30ft high and 20 ft in diameter. it is full of oil weighing 51.2
The tube of a mercury thermometer has an inside diameter of 0.142 mm. The bulb has a volume of 0.242 cm^3. How far will the thread of mercury move when the temperature changes from 12.1 degrees C to 30.9degrees C
Refer to the Figure above. The battery has a potential difference of 22 volts and the capacitances C1, C2, and C3 are 1.7 F, 2 F, and 6.3 F, respectively. (Please remember that the values of all the other capacitors, besides C1, C2, and C3 are sam..
An object is undergoing SHM with period 1.200 s and amplitude 0.600 m. At t = 0 the object is at x = 0. How far is the object from the equilibrium position when t = 0.470 s
A 740 kg spacecraft has total energy -5.3 * 10^11 J and is in circular orbit about the Sun. Find its orbital radius
An Indy car with a speed of 125km/h goes around a level, circular track with a radius of 1.3km. What is the centripetal acceleration of the car.
A 35 microfarad capacitor is in series with a 250 ohm resistor and10V battery. Initally a switch in the circuit is open and the capcitor is uncharged. What is the current in the circuit immediately after the switchis closed?
A racing car start from rest in the distance and accelerates with a uniform rate of speed 35m/s in 11 sec moving in a circular path of radius 500 m assuming constant tangential acceleration find (1) the tangential acceleration. (2) The centripetal..
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