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Problem: Find the magnitude of the force needed to accelerate a 110g mass with a= -0.155m/s2 i^+0.320m/s2 j^.
Please help explain how to solve above problem.
A glass bottle of soda is sealed by a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.60 x10 5 Pa. Assuming that the top and bottom surfaces of the cap each have an area of 4.30 x 10 -4 m 2 ,get the magnitude of the fo..
An elderly sailor is shipwrecked on a desert island, but manages to save his eyeglasses. What is the magnifying power of the telescope he can construct with these lenses
A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. Determine the wavelength of the waves on the string
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 5.90 m to a store. At what angle is the escalator inclined above the horizontal
Two identical charges of 6.0uC are located along the y-axis at +6.4 cm and -6.4 cm respectively. Calculate the net electric field strength at a point P located at 17.6 cm along the x-axis.In addition, what force would be experienced by a 4.5uC charge..
a catapult launches a rock towards a hill 500m away. the rock lands on the hill 20m above the release point of the rock. find the max height of the rock during flight
is a transformer has 100 primary turns and 200 secondary turns. what is the current in the secondary coil if the
Three negative charges of equal magnitudes are positioned along the x-axis at x = -a, x=0, and x = +a respectively. The charge located at x=0 is moved away along the y-axis to a position (x,y) = (0, +a). How does the potential energy of the system..
At rest, a car's horn sounds at a frequency of 385 Hz. The horn is sounded while the car is moving down the street. A bicyclist moving in the similar direction with one-third the car's speed hears a frequency of 342 Hz. What is the speed of the ca..
A piece of aluminum has a mass of23 g. If this aluminum were formed into a very thin sheet ofthickness 0.49 mm, find the area of the sheet
A person pushes a 16.2-kg shopping cart at a constant velocity for a distance of 27.5 m on a flat horizontal surface. She pushes in a direction 32.3 ° below the horizontal. A 35.3-N frictional force opposes the motion of the cart. (a) What is the mag..
in an ink-jet printer drops of ink are given a certain amount of charge before they move between two large parallel
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