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Q. When you take a bath, how many kg of hot water (49 oC) must you mix with cold water (13 C) so that the temperature of the bath is 36 oC? The total mass of the water (hot and cold) is 191-kg.
Q. A 562-N truck is placed on an inclined plane that forms a 66 degree angle with the horizontal. Compute the values of N and Wx.
Calculate the radius of the path, direction of the force experienced by the electron and the path of the electron through the magnetic field.
how fast the air flow over the upper surface of the wing. What is the coefficient of kinetic friction between the box and the floor.
Two tugboats pull a disabled super tanker. Each tug exerts constant force of 1.20 multiplied by 106 N, one 19° west of north and the other 19.0° east of north, as they pull the tanker 0.69 km toward the west. What is the total work they do on supe..
An observer moving toward Earth with a speed of 0.96 notices that it takes 5.2 for a person to fill her car with gas. Assume, in its place, that the observer had been moving away from Earth with a speed of 0.80.
If the tension in each chain at the lowest point is 408 N, find the child's speed at the lowest point.
Find out the maximum distance d (along the ladder) that the monkey can climb up ladder before the rope breaks.
A spring with spring constant k = 210N/m is at first compressed x = 1.90 cm. It is now allowed to relax back to its equilibrium length and then it is stretched an additional 2.30 cm. How much work is completed by the spring during this process.
A 90° inverted cone contains water as shown. The volume of the water in the cone is given by V = (p/3) h3. The original depth of the water is 10 cm. A block with a volume of 200 cm3 and a specific gravity of 0.6 is floated in the water. Find the c..
Amazingly, at exact distance that you calculated in question 2a (73.5 meters), there was a trampoline! Thinking quickly, I orient myself appropriately and hit the trampoline.
A fire in an enclosure has reached flashover, & the gas temperature is assumed to be uniform at 1000oC. The enclosure has an opening 3 m wide & 2 m high. Find the position of the neutral layer, measured from the bottom of the opening.
What is the maximum reaction time. A 1.52 wide, 1.50 high, 1500 car hits a very slick patch of ice while going 21.0 .If friction is neglected, how long will it take until the car's speed drops to 14.
What amplitude of simple harmonic motion of the spring-blocks system puts the smaller block on the verge of slipping over the larger block.
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