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A force F=F x hat i +F y hat j acts on a particle that undergoes a displacement of vec s =s x hat i +s y hat j where F x =4 N, F y =-3 N , s x =5 m , and s y =1 m Find the work done by the force on the particle. Answer in units of J.
The largest stable nucleus has a nucleon number of 209, and the smallest has a nucleon number of 1. what is the ratio (largest/smallest) of the surface areas of these spheres
A basketball player shoots a 0.75-kg ball into a basket by shooting the ball with an initial speed of 12 m/s at an angle of 60 above the horizontal. The basket is three meters o the ground and the ball leaves her hand at a height of 1.4 meters above ..
A 12 V battery (which has an electric potential difference of 12 V between its terminals) is connected to a 10 W light bulb for 1 second. Calculate how much charge flows through the light bulb in the 1 second.
Using its pulse voltage source, (t) that starts at t = 2 ms and consists of a pulse train of 1-V pulses with a 1-ms pulse width that repeat egenerate on Multisim a waveform vvery 4 ms.
A player for a college football team blocked a field goal attempt by jumping and knocking the ball away in front of the crossbar at a point 11 feet above the field. If Owens was 6 ft. 3 in. tall, and could reach 1 ft., 11in. above his head, what was ..
a bottle containing 6.6 kg mass of water at a temperature of 28.2 oc is placed in a refrigerator where the temperature
An arrow is shot horizontally from a cliff. the cliff is 421.7 m above the ground. the arrow left the cliff with a speed of 29.8 mi/hr. How far (in meter) from the base of the cliff the arrow land
A batter hits a 0.14kg baseball that was approaching him at 30.0 m/s and, accordingly, the ball leaves the bat at 40.0 m/s in the direction of the pitcher. The ball remains in contact with the bat for 2ms. What is the average force exerted by bat.
A motor is designed to operate on 117 V and draws a current of 15.0 A when it first starts up. determine the resistance of the armature coil
A transparent oil with index of refraction 1.28 spills on the surface of water (index of refraction 1.33), determine the thickness of the oil slick
A bat hits a moving baseball. If the bat delivers a net eastward impulse of 1.3 N-s and the ball starts with an initial horizontal velocity of 3.8 m/s to the west and leaves with a 5.1 m/s velocity to the east
The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, compute the cost of the following. Leaving a 40.0-W porch light on for two weeks while you are on vacation.
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