A 67.0 kg person throws a 0.0420 kg snowball forward with a ground speed of 26.0 m/s. A second person, with a mass of 56.0 kg, catches the snowball. Both people are on skates. The first person is initially moving forward with a speed of 2.30 m/s, and the second person is initially at rest. What are the velocities of the two people after the snowball is exchanged? Disregard the friction between the skates and the ice. thrower m/s catcher m/s
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- 3. A 4.80 kg fish is swimming at 1.00 m/s to the right. He swallows a 1.50 kg fish swimming toward him at 3.20 m/s. Neglecting water resistance, what is the magnitude of the velocity of the larger fish immediately after his lunch?Kyle, a 80.0 kg football player, leaps straight up into the air (with no horizontal velocity) to catch a pass. He catches the 0.430 kg ball precisely at the peak of his jump, when he is 0.386 meters off the ground. He hits the ground 0.0384 meters away from where he leapt. If the ball was moving horizontally when it was caught, how fast was the ball traveling? ball's speed: m/sA 170-g billiard ball is shot toward an identical ball at velocity vi = 6.90 m/s.The identical ball is initially at rest. After the balls hit, one of them travels with velocity v1, f = (1.65 + 2.10) m/s. What is the velocity of the second ball after the impact? Ignore effects of friction during this process. (Express your answer in vector form.)
- Car A is moving to the right at 0.5m/s. Meanwhile, Car B, which is 6 meters to the right of car A is moving to the left at 0.25m/s. Looks like they’re going to have a head-on collision. Predict the location of the collision.Two masses are held against springs, each are compressed by 25.0 cm. Both are released from rest, travel across the frictionless ground, and stick together when they collide. Find the velocity (magnitude and direction) of both masses right after the collision. m2 = 350 g ki = 42.5 N/m k2 = 30.0 N/m m, = 200 g 25.0 cm 25.0 cm 9.Blythe and Geoff are ice skating together. Blythe has a mass of 53.0 kg, and Geoff has a mass of 82.0 kg. Blythe pushes Geoff in the chest when both are at rest, causing Geoff to move away at a speed of 5.00 m/s. What is Blythe's speed UB after she pushes Geoff? UB = In what direction does Blythe move? in the same direction as Geoff in the opposite direction of Geoff m/s
- Mario pulls over to the side of the road to safely send a text to Princess Peach. Bowser, with a mass twicethat of Mario, decides to text and drive. Bowser crashes his cart into Mario with a velocity of 22ms . Afterthe collision Bowser deflects at an angle of 28◦below his original path while Mario is shoved at angle of 36◦above Bowser’s original path.1) Find the velocities of Mario and Bowser after the collision. 2) What percent of the initial kinetic energy is dissipated in the collision?Anthony is just relaxing since its summer vacation and actually put on some weight too and is now 90 kg. He decides to hit up Lake Thunderbird in his 40 kg boat and chill. Anthony reaches the center of the lake and stops moving and then decides to start fishing. He starts to fish but accidentally threw the 10kg pole at 5 m/s horizontally away from him. Suddenly, the boat starts moving. What is the velocity (magnitude and direction) of Anthony and the boat if the water really doesn’t have much friction with the boat?A 10-m-long glider with a mass of 680 kg (including the passengers) is gliding horizontally through the air at 20 m/s when a 60 kg skydiver drops out by releasing his grip on the glider. What is the glider's speed just after the skydiver lets go?
- Questions 5.-6. refer to a glancing collision between two balls with the following initial and final values: Before Collision |After Collision m2 VIx Vly V2x V2y Vlx Vly V2x V2y 3.5 kg 4.5 kg 5.0 m/s 0 0 0 2.0 m/s 1.0 m/s ? ? 5.What is the speed (in m/s) of the second ball after the collision? 6. At what angle (in degrees south of east) will the second ball move after the collision?= A small block of mass m. = 0.540 kg is released from rest at the top of a frictionless, curve-shaped wedge of mass m₂ 3.00 kg, which sits on a frictionless, horizontal surface as shown in Figure a. When the block leaves the wedge, its velocity is measured to be v₁ = 3.00 m/s to the right as shown in Figure b. m1 mi m2 ml? b (a) What is the velocity of the wedge after the block reaches the horizontal surface? m/s to the left (b) What is the height h of the wedge? mTwo bumper cars at the county fair are sliding toward one another (see figure below). Initially, bumper car 1 is traveling to the east at 5.70 m/s, and bumper car 2 is traveling 79.1° south of west at 4.25 m/s. They collide and stick together, as the driver of one car reaches out and grabs hold of the other driver. The two bumper cars move off together after the collision, and friction is negligible between the cars and the ground. W-OE Car 2 Car 1 Vii (a) If the masses of bumper cars 1 and 2 are 596 kg and 625 kg respectively, what is the velocity of the bumper cars immediately after the collision? magnitude m/s direction ° east of south (b) What is the kinetic energy lost in the collision?