a) What is the difference between inertia and momentum? b) A bullet of mass 40.0 g is fired from a gun with a nozzle velocity of 25.0 ms1. Calculate the recoil velocity of the gun whose mass is 5.0 kg
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- a gun whose mass is 2.7kg fires a bullet of mass 20 grams at a speed of250m/s. compute the recoil velocityof the gunUSING THE UAM FORMULA, SOLVE THIS 1. A 6 kg object accelerates at 2.5 m/s^2 after a force is applied for 10s. Find the(a) Force applied. (b) speed of the object at the end of 10 s, (c) change in momentum of the block, and (d) impulse produced by the force. 2. How much force is needed to stop a 10 kg object moving at 4 m/s in just 10 s? Explain your answer.A ball of mass 0.500 kg with speed 15.0 m/s collides with a wall and bounces back with a speed of 10.5 m/s. If the motion is in a straight line, calculate the initial and final momenta and the impulse. If the wall exerted a average force of 1000 N on the ball, how long did the collision last?
- :SA DIRECTIONS Read the prcblen carefuty dentify the given quantities and determine what is required Car A of mass 2000 kg moving at 72 kmr, east tres to overtake car B of mass 1250 kg moving at 60 km/hr, east Car A coldes with car B The cars stick together ater collision. Find ther veiocity after colisionA ball of mass 2 kg with speed 20.0 m/s collides with a wall and bounces back with a speed of 15 m/s. If the motion is in a straight line, calculate the initial and final momentum and impulse. If the ball exerted an average force of 1 kN on the wall, how long did the collision last?A 0.025 kg bullet is fired from a gun with a velocity of -230 m/s. If the gun has a mass of 0.26 kg, what is the recoil velocityof the gun?
- A rifle of 8 kg lying on a smooth table discharges accidentally and fires a bullet of mass 11g with a muzzle speed of 422 m/s. What is the recoil velocity of the rifle? Calculate answer to one decimal.If the momentum of a flying brick is 15.06 kg x m/s and it's mass is 4.022 kg. Find its velocity_?From a rifle of mass 4 kg, a bullet of mass 50 g is fired with an initial velocity of 35 m/s. Calculate the initial recoil velocity of the rifle.
- www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-lijkPWvZoZLqKt1FLlq7w O MEASUREMENT Identifying errors in the solution to a basic quantitative problem Prob. Momentum is mass times velocity. Suppose the momentum of a 255. g object is kg · m measured to be 293. . Calculate the object's velocity. S Be sure your answer has a unit symbol and the correct number of significant digits. Solution: p = mv Write down the definition of momentum. V = Solve for velocity. m 293. y = Put in the data given. 0.255 S v = 1149.0... Use the calculator. m Round to the correct number of significant digits. v = 1.15 x 10 S No mistakes Explanation Check 9.A child in a boat throws a 5.50-kg package out horizontally with a speed of 10.0 m/s. The mass of the child is 26.6 kg and the mass of the boat is 36.4 kg. Calculate the velocity of the boat immediately after, assuming it was initially at rest.Express your answer to three significant figures and include the appropriate units. Enter positive value if the direction of the velocity is in the direction of the velocity of the box and negative value if the direction of the velocity is in the direction opposite to the velocity of the box.If the momentum of a flying brick is 62 kg x m/s and it's mass is 13 kg. Calculate its velocity?