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A brick is originally 12.10 cm high and an aluminium can is initially 12.11 cm high. By how much should their temperatures be raised in order for the brick and the can to have exactly the same height?
An Olympic long jumper leaves the ground at an angle of 19.8 ° and travels through the air for a horizontal distance of 8.17 m before landing. What is the takeoff speed of the jumper
a glass vial filled with mercury vapor 4.88 ev between ground state and first excited state is placed between the
q1. youre driving down the highway late one night at 20 rm ms when a deer steps onto the road 35rm m in front of you.
A proton is confined to a nucleus that has a diameter of 8.3 × 10-15 m. what is the minimum uncertainty in its momentum
A 69-g firecracker is at rest at the origin when it explodes into three pieces. Find the velocity of the third piece
One cylinder in the diesel engine of a truck has an initial volumeof 600 cm3. Air is admitted to the cylinder at 30 C anda pressure of 1.0 atm. What are its final temperature and volume
A policeman is chasing a speeding car with a seed of 160 km/hr. the speeding car is moving with a speed of 120 km/hr. what frequency will the driver of the speeding car hear
A bob of mass m = 0.300kg is suspended from a fixed point with a massless string of length L = 21.0cm, What tangential speed v must the bob have so that it moves in a horizontal circle with the string making an angle 24.0
A load of bricks with mass = 15.4 kg hangs from one end of a rope that passes over a small, frictionless pulley. What is the tension in the rope while the load is moving
Initially, an object is 12cm to the left of a convex lens of focal length 8.2cm, then a concave (diverging) lens of local length -9cm is placed 20cm to the right of the convex lens, find the Image distance from concave lens
Coherent light with wavelength 591nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3m from the slits. The first-order bright fringe is a distance of 4.84mm from the center of the central b..
An aluminum-alloy rod has a length of 10.009 cm at 16.200°C and a length of 10.021 cm at the boiling point of water. compute the length of the rod at the freezing point of water
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