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A hand bicycle pump should compress air from atmospheric pressure to the pressure inside the tire (usually 5 or 6 atmospheres). Please estimate the temperature of the air as it enters the tire.
Vector A has a magnitude of 33 and is pointing at an angle a=73° east of north. Vector B has a magnitude of 18 and is pointing at an angle b=55° south of west. Find the magnitude and direction of A+B (the sum of two vectors is more commonly known ..
an irregular conductor carries a surface charge density of -6.75 cm2 at and in the vicinity of a point p on the
A hydraulic lift is used to jack a 1120kg car 10 cm off the floor. The diameterof the output piston is 18 cm, and the input force is 250 N. What is the area of the input piston
Two point charges are located on the axis as follows: charge = -1.80 at = -0.500 , and charge = 2.20 at the origin (= 0). What is the direction of the net force
Mechanical advantage is the ratio of the force required without the use of a machine (sometimes very simple machine) to that needed when using the machine.
The voltage across a resistor is equal to the product of the current through the resistor and the resistance of the resistor, What is the potential difference of the battery
Suppose the coefficient of static friction between the road and the tires on a car is 0.60 and the car has no negative lift. What speed will put the car on the verge of sliding
A man pushes a 42 kg crate uphill along a plane inclined at 30 degree with respect to the horizontal. find the total work on the crate by dissipative forces
A car was seen driving off the edge of a cliff at an angle of 10 ° above the horizontal. The cliff is 95m high and the car impacted the ground at a distance of 156m from the base of the cliff. What is the speed of the car.
A meter stick with a mass of 89.5 g is being supported at the 50 cm mark with a pivot that is 1.00 cm above the center of mass of the meter stick. The moment of inertia of stick about that point is 0.00746 kgm^2. What is the period of oscillation ..
what is the centrifugal acceleration of the moon in Meters/S2 if it takes the moon 29.5 days to make oneorbit around the earth, assuming the orbit of the moon iscircular
You have probably never noticed time dilation effects in everyday life. Calculate the speed that a friend would have to move with respect to you so that your measured time intervals are 1.00% larger than hers
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