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A car moves in a straight line at a speed of 52.0 km/h.
(a) How far will the car move in 3.00 minutes at this speed?
(b) How long will it take the car to move 0.34 km at this speed?
A 20 meter long steel wire (cross-section 1.0 cm2, Young's modulus 2.0 x 1011 N/m2), is subjected to a load of 25000 Newton. Find how much will the wire stretch under load
A hot iron horseshoe (mass = 0.50- kg) which has just been forged, is dropped into 1.45 -L of water in a 0.50 kg iron pot at first at 22oC. If the final equilibrium temperature is 32oC, calculate the initial temperature of the hot horseshoe (in Ce..
Each cable has a length of l = 2.90 m. Illustrate what is the tension T in each of the cables? Use 9.80 m/s2 for the magnitude of theacceleration due to gravity.
a layer of liquid b floats on liquid a. a ray of light begins in liquid a and undergoes total internal reflection at
In the long jump final at the Olympics, a jumper launches herself at her max speed of 10 m/s. She generates a vertical push-off force by her legs of two times her own weight (2W).
Design an optimal winter coat to keep you warm. Use the principle of heat transfer (conduction, convection, and radiation). Give description of how they affect the coat. What color should the coat be and what would it be made from?
q. two spherical conductors are connected by a long conducting wire and a total charge of 20.0 muc is placed on this
A 5 cm diameter coil has 20 turns and a resistance of 1 Omega. A magnetic field perpendicular to the coil is B = 0.02t + 0.1 t^2, where B is in tesla and t is in seconds. Find an expression for the induced current I(t) as a function of time.
If the car is now at rest and the pendulum undergoes S.H.M. would its time be shorter of longer than that calculated in (b) explain your answer.
What will be its length and height at rest
A very small charged block with a mass of 2.10 g is placed on an insulated, frictionless plane inclined at an angle of 17.0° with respect to the horizontal, What is the sign and magnitude of the charge on the block
Carlos does a chin- up in gym class and raises himself 0.8 m. if Carlos has a mass of 62 kg, how much work does he accomplish
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