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A 23.5 kg gold bar at25.5°C is placed in a large,insulated 0.800 kg glass container at 15.0°C with 2.00 kg ofwater at 25.0°C. Calculate the final equilibrium temperature.
1- if an area is described as a good air mass source region what information can you give about it?2- it is summer.
Two forces, of magnitude F1 = 80.0 N and F2 = 45.0 N, act in opposite directions on a block which sits atop a frictionless surface. Find the work W1 done on the block by the force of magnitude F1= 80.0 N as the block moves from xi = -1.00 cm to xf =..
What is the frequency of string that was tightened.How high does it rise above the ground.
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 26.0m. what is the magnitude of the force that the shopper exerts
A steel wire of negligible mass is placed under tension by attaching its bottom to the tip of a solid copper cone of height H. what is the wire's new fundamental frequency
A 0.18kg rubber ball is dropped from a height of 1.2m above the floor and it bounces back to a height of 0.70m. What is the speed of the ball just as it leaves the ground
Find the focal length of a concave mirror if an object 12cm from the mirror has a virtual image 2.1 times the object's actual size
On an essentially frictionless horizontal ice-skating rink, a skater moving at 3.1m/s encounters a rough patch that reduces her speed by 42% to a friction force that is 24% of her weight
A balloon with a radius of 14cm and an electric charge of 3.75x10^-9 C is brought within the electric field of the larger balloon so their centres are 40cm apart. find the magnitude of the electric force exerted by this electric field on the small..
question1as thermonuclear fusion proceeds in its core the sun loses mass at a rate of 3.64 109 kgs. for the duration of
Suppose you loft a ball in a tennis game with an initial speed of 16.5 m/s at an angle of 52.0 degrees above the horizontal. With what minimum average speed must he move
Scientists want to place a 3 × 103 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.8 times the radius of Mars above the surface of the planet, What is the force of attraction between Mars and the satel..
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