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The water molecule H2O, with a permanent dipole moment of magnitude 6.2*10^-30 Cm, is located 10 nm from Na+ ion in a saltwater solution. What force does the ion exert on the water molecule?
A car starts from rest at a stop sign. It accelerates at 4 for 6.4, coasts for 1.5, and then slows down at a rate of 3.5 for next stop sign. How far apart are the stop signs.
Compute the speed of the water just before striking the turbine blades (neglect air resistance).
the cross sectional areas of the pistons in the system have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N, what is the maximum weight that can be lifted?
Consider an infant who weighs 100 newtons. During each year she grows so that each dimension of her body increases by 5%. How much would she weigh then.
A 10000 kg boxcar traveling at 20 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 11 m/s. What is the mass of second car.
A gymnast does a one handed handstand. The humerus, which isthe upper arm bone between the elbow and the shoulder joint, What is the compressional strain of the humerus
A simple fuel level gauge can use the dielectric constant of the fuel to indicate its level in a tank. For which fuel is this a more appropriate gauge
If material increases its length by 4.2% when its temperature is raised 40 degrees C, then what is its coefficient of linear expansion
Suppose after charging a 4 µF capacitor to 8 V, you connect it to the second uncharged capacitor of 7 µF. What voltage will your voltmeter read across the second capacitor
A stone is dropped from rest from the roof of a 100-m high building; 2.00 s after that, a second stone is thrown straight down with initial speed v0, and the second stone passes the first stone 21.6 m above ground.
A highway curve with a radius of 555 m is banked properly for the car travelling 150 km/h. If a 1650 kg Porshe 928 S rounds the curve at 220 km/h, how much sideways force must the tires exert against the road if the car does not skid.
What is the velocity of the gold pack after the collision. what least average speed must it have in the second half of the event in order to qualify.
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