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Question: What is the acceleration of a 5.0 kg object acted on by a resultant force of 35.0 N? What is the acceleration of a 2.5 slug object acted on by a resultant force of 44.0 lbs?
A 4kg cart is initially moving at 3m/s on a frictionless track. It then hits an incline and stops 2m later. (a) What is the work done on the cart? (b) If it was a 10° incline, what is the work d
The producer wants to use the December live cattle futures contracts to hedge its risk. Each contract is for the delivery of 40, 000 pounds of cattle. What strategy should the beef producer follo
Name one geological process that is responsible for the formation of earth rock type: igneous, sedimentary, and metamorphic. Give an example on Earth where each is occurring.
A proton has 1836 times the rest mass of an electron. At what speed will an electron have the same momentum as a proton moving at 0.0016c ?
A 6.00 kg bowling ball is rolling at 9.00 m/s. It collides with a 1.50 kg bowling pin at rest. After the collision the pin moves forward at 14.0 m/s. What is the velocity of the ball after the colli
You throw a .4 kg ball against a brick wall, it hits the wall moving left at 30 m/s and rebounds to the right at 20 m/s. What is the impulse delivered by the wall? If it touches the wall for .1s, wh
On a part-time job, you are asked to bring a cylindrical iron rod of density 7800Kg/m^3 , length 79.0 cm and diameter 2.80cm from a storage room to a machinist. Calculate the weight of the rod, w
A 2.00-mol sample of a diatomic ideal gas expands slowly and adiabatically from a pressure of 5.02 atm and a volume of 12.8 L to a final volume of 29.0 L. (a) What is the final pressure of the gas?
Starting from its nest, an eagle flies at constant speed for 3.2 min due east, then 4.6 min due north. From there the eagle flies directly to its nest at the same speed. How long is the eagle in th
How many grams of H2O will be formed when 32.0 g H2 is mixed with 32.0 g O2 and allowed to react to form water?
How many grams of Ca(NO3)2 can be produced by reacting excess HNO3 with 7.40 g of Ca(OH)2?
A 0.6-kg ball is fastened to a spring with a spring constant of 86 N/m and is oscillating horizontally with an amplitude of 0.2 m. What is the maximum potential energy that is stored in the spring d
An object is thrown from the top of a 45m building with an initial velocity of 20 m/s straight upwards. The ball misses the building on the way down. Using energy considerations. What is the max hig
A scientist obtains the number 0.045006700 on a calculator. If this number actually has four (4) significant figures, how should it be written?
The speed of 3oz tennis ball is changed from 60 ft/s in one direction to 80ft/s in the opposite one as a racket hits it. Calculate the impulse. If the contact time is 0.005 sec, what is the average
Two identical ships, moving at right angles to each other,collide and stick together. One has an initial velocity of v in the x direction and the other has a velocity of 2v in the y-direction. What
Your car's fan belt turns a pulley at 3.00 rev/s . When you step on the gas for 1.25s , the rate increases steadily to 5.60 rev/s . What's the pulley's angular acceleration? And Through what angle d
A converging lens (f = 14.7 cm) is located 24.1 cm to the left of a diverging lens (f = -6.64 cm). A postage stamp is placed 27.1 cm to the left of the converging lens. (a) Locate the final image of
Answer the following questions relating to percentages. Convert the fraction 23/50 to an equivalent percentage. Convert 0.748 to an equivalent percentage.
What is the net flux of electric field Fe emerging from one of the triangular faces of the pyramid? Express your answer in terms of Q and e0.
A 3.140 molal solution of NaCl is prepared. How many grams of NaCl are present in a sample containing 3.000 kg of water?
A solid sphere is released from rest on an incline. When it reaches the bottom, what fraction of its total kinetic energy is translational? And when it reaches the bottom, what fraction of its total
Find the magnitude of the net magnetic field at P, midway between the coils.
He keeps the money in the account for three years, but he doesnt make any deposits or withdrawals. How much interest will he receive after three years?