A 5.50 kg squid initially at rest ejects 0.250 kg of fluid with a velocity of 10.1 m/s. What is the recoil velocity (in m/s) of the squid if the ejection is done in 0.100 s and there is a 5.20 N frictional force opposing the squid's movement? (Enter the magnitude.) ____________________ m/s   (b)How much energy (in J) is lost to work done against friction?

A 1425 kg truck driving at 13.0 m/s collides elastically with a stationary 1175 kg car. If the car is traveling 14.25 m/s just after the collision, what is the velocity of the truck immediately after the collision? Assume that this is a perfectly elastic collision. Round your answer to the hundredths place. Final velocity of the truck = m/s

A 24.8 g object moving to the right at21.3 cm/s overtakes and collides elasticallywith a 14.8 g object moving in the same direction at 18.6 cm/s. Find the velocity of the 24.8 g object after the collision.Answer in units of cm/s. Find the velocity of the 14.8 g object after the collision.Answer in units of cm/s.

A 0.03 kg arrow is fired from a bow and gets stuck in a 5 kg target which was initally at rest. The target and arrow together move away at 0.02 m/s after they collide. Identify the type of collision. How fast is the arrow moving?

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Two football players collide head-on in midair while chasing a pass. The first player has a 100.5 kg mass and an initial velocity of 4.20 m/s, while the second player has a 122 kg mass and initial velocity of -3.9 m/s. What is their velocity (in m/s) just after impact if they cling together? (Indicate the direction with the sign of your answer.) m/s

A 27.5-g object moving to the right at 22.0 cm/s overtakes and collides elastically with a 10.5-g object moving in the same direction at 15.0 cm/s.Find the velocity of each object after the collision. (Take the positive direction to be to the right. Indicate the direction with the sign of your answer.) 27.5-g object     cm/s 10.5-g object     cm/s

A 4.00 g bullet has a muzzle velocity of 250 m/s when fired by a rifle with a weight of 25.0 N. (a) Determine the recoil speed (in m/s) of the rifle. m/s (b) If a marksman with a weight of 775 N holds the rifle firmly against his shoulder, determine the recoil speed (in m/s) of the shooter and rifle. m/s Additional Materials O Reading

A drunk driver in a 2100 kgkg car plows into a 2000 kgkg parked car with its brake set. Police measurements show that the two cars skid together a distance of 21 mm before stopping. If the effective coefficient of friction is 0.74, how fast was the drunk going just before the collision?

A 1.8 kg ball is kicked at a velocity of 6.08 m/s [E] at a stationary 48.0 kg girl. The ball bounces off her head at a velocity of -0.880 m/s [W]. ACTION BALL HE 17. What type of collision is this? O hit and bounce O hit and stick O explosion stick and bounce