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A ball is moved from the origion to (1i + 4j) m, using a force (2i + 6j) N. Calculate the work done by the force. If it is moved inthe shortest distance.
Calculate the positron and electron beam energy needed to create a Higgs boson (mass 125GeV) in the CMS system
A car rounds a 1.15 radius circular track at 82 Find the magnitude of the car's average acceleration
A boy of mass 35 kg and a girl of mass 40 kg are skating towards each other with speeds of 2.5 m/s, and 2.0 m/s respectively. Assume that there is no friction, and find their combined velocity after they meet
An aging coyote cannot run fast enough to catch a roadrunner. He purchases on eBay a set of jet-powered roller skates, which provide a constant horizontal acceleration of 15.0 m/s2. The coyote starts at rest 70.0 m from the edge of a cliff at the ins..
In an electricity experiment, a 0.800g plastic ball is suspended on a 51.0cm long string and given an electric charge. what is the tension of the string
80 cm3 of water takes 12 min to cool from 40?C to 15?C in a draft; it is contained in a copper calorimeter of mass 150 g, Calculate the specific heat of the suspension in SI units
The resistance of a conductor is 19.2 ohms at 1.50 degress C and 25.0 ohms 91.0 degress C. What is the temperature coefficient of the resistance
A 20kg box slides 45m from the top down to the bottom of an incline that is 10 degrees to the horizontal. How much work is done by the force of gravity on the box
An object weighing 338 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 302 N. Immersed in oil; object weighs 313 N. Calculate the density of the object.
a series RLC circuit has a resistance of 500 ohms, and inductance of 20.0 mH, and a capacitance of 2.00 uF. what is the peak current in this circuit
A parachutist jumps out of an airplane and acceleratea with gravity to a maximum velocity of 58.8 m/s in 6.o seconds, From what height did the parachutist jump?
three uniform thin rods, each of length L = 39 cm, form an inverted U. The vertical rods each have a mass of 15 g; the horizontal rod has a mass of 32 g. Elucidate what are (a) the x coordinate and (b) the y coordinate of the system's center of ma..
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