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A dog trots 3.6 meters east and 5.0 meters north. What are the magnitude and direction of the dog's displacement with respect to the original position?
An 8.50 point mass and a 13.0 point mass are held in place 50.0 apart. A particle of mass is released from a point between the two masses 20.0 from the 8.50 mass along the line connecting the two f
A racing car travels in a circular track of radius 250 m. lf the car moves with a constant linear speed of 45.0 m/s;find (a) its angular speed and (b) the magnitude and direction of its acceleration.
how many liters of air containing 21% (v/v) O2 are required at STP to completely react (combust) 1.00 L of liquid MTBE?
A 96.0 N grocery cart is pushed 10.9 m along an aisle by a shopper who exerts a constant horizontal force of 36.2 N. The acceleration of gravity is 9.81 m/s2. If all frictional forces are neglected
The specific gravity of mercury is 13.63. What would be the mass of a sample of mercury that occupies a volume of 4.75mL?
How many revolutions per second would it have to rotate in order that the acceleration of the outer edge of the disk be 17 g's.
The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 256 to 297 oC? (The factor
The increase in pressure in the blood vessel is transmitted to the cerebrospinal fuid. What should be the normal effect on the height of the fluid in the spinal tap?
A potter's wheel having a radius 0.45 m and a moment of inertia 10.7 kg·m2 is rotating freely at 50 rev/min. The potter can stop the wheel in 5.0 s by pressing a wet rag against the rim and
An explorer is caught in a whiteout while returning to base camp.He was supposed to travel due north for 5.6km, but he actually traveled 7.8km at 50 degrees north due east.
A metal stand specifies a maximum load of 450 lb. Will it support an aquarium that weighs 59.5 lb and is filled with 37.9 L of seawater (d = 1.03 g/mL)?
To not slip, both cars need to maintain a net force of as they travel around the curve. How does the speed of the small car compare to the speed of the large car as they round the curve?
A block is at rest on an inclined plane whose elevation can be varied. The coefficient of static friction is mus= 0.320, and the coefficient of kinetic friction is muk= 0.190. The angle of elevatio
In the deep ocean, a water wave with wavelength 95m travels at 12m/s. Suppose a small boat is at the crest of this wave, 1.7m above the equilibrium position. What will be the vertical position of t
A child's toy consists of a piece of plastic attached to a spring, as shown below. The spring is compressed against the floor a distance 2.5 cm and released. If the spring constant is 119 N/m, what
Tarzan swings on a 23.2 m long vine initially inclined at an angle of 35° from the vertical. What is his speed at the bottom of the swing if he starts from rest?
A quantity of a gas has an absolute pressure of 400 kPa and an absolute temperature of 110 degrees kelvin. When the temperature of the gas is raised to 235 degrees kelvin, what is the new pressure o
The blocks A and B are connected by a piece of spring. Block B rests on a smooth inclined plane of 21 degrees and block A hangs vertically. Calculate the acceleration of the system if the mass of b
Two identical conducting spheres each having a radius of 0.500 cm are connected by a light 1.50 m long conducting wire. A charge of 64.0 µC is placed on one of the conductors. Assume the surf
In a model AC generator, a 501 turn rectangular coil 8.0 cm by 30 cm rotates at 117 rev/min in a uniform magnetic field of 0.6 T. What is the maximum emf induced in the coil?
What is the height h of the center of mass of the system as a function of x, where x is the height of the soda remainin in the can?
If the magnitude of the resultant force acting on the bracket is 370 directed along the positive axis, determine the magnitude of.
What velocity would a proton need to circle Earth 1 000 km above the magnetic equator, where Earth's magnetic field is directed horizontally north and has a magnitude of 4.00 × 10-8 T?
How many milligrams of Ca2+ are present in 12.0mL of blood if 21.64mL of 9.44×10-4M KMnO4 solution is needed for the titration?