At a particular instant, a moving projectile has a kinetic energy of 258 J and a momentum of magnitude 28.6 kg · m/s. (a)What is the speed (in m/s) of the projectile at this instant? m/s (b)What is the mass (in kg) of the projectile at this instant? kg
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- What is the momentum in kg · m/s of a garbage truck that is 1.20 ✕ 104 kg and is moving at 35.0 m/s? At what speed in m/s would an 8.00 kg trash can have the same momentum as the truck?Chapter 07, Problem 35 Your answer is partially correct. Try again. A projectile (mass target (with the projectile in it) flies off after being struck. What percentage of the projectile's incident kinetic energy does the target (with the projectile in it) carry off after being struck? 0.263 kg) is fired at and embeds itself in a target (mass = 2.14 kg). (The target is initially stationary). The Number 9.17 UnitsT% the tolerance is +/-2% Click if you would like to Show Work for this question: Open Show WorkIt is generally a good idea to gain an understanding of the size of units. Consider each object and calculate the magnitude of their momentum in SI units. A ladybug with mass 28.50 milligrams flies by your head at 3.75 km/h. magnitude of the momentum: kg-m/s A 37.90 km boy walks at 4.05 km/h. magnitude of the momentum: kg-m/s A car with mass 841 kg is moving at a speed of 41.3 km/h. magnitude of the momentum: kg-m/s
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