Drops of rain fall perpendicular to the roof of a parked car during a rainstorm. The drops strike the roof with a speed of 15 m/s, and the mass of rain per second striking the roof is 0.039 kg/s.

Q: If a 1780 kg train car on a one dimensional track, moving at 5 m/s north, hits and bounces off a…

A:

Q: A bullet of mass m is traveling at an unknown velocity in the right direction. It is fired at a…

A:

Q: A baseball (m = 153 g) approaches a bat horizontally at a speed of 37.6 m/s (84.1 mi/h) and is hit…

A: To find:

Q: A 0.25-kg ball is dropped from a height of 3.0 m above the floor. It rebounds to a height of 2.5 m.…

A:

Q: In the Loblaws parking lot, the cart attendants decide to have some fun during a winter morning. The…

A: When the cart is at rest only two forces are present:1) Weight of the cart acting vertically down2)…

Q: A bullet of mass 25.0 kg strikes a block of wood at a speed of 395m/s. The bullet embeds itself in…

A: Given: Mass of the bullet, m = 25.0 kg Initial speed of the bullet, v = 395 m/s The bullet embeds…

Q: A skater of mass 60.0 kg standing on ice throws a stone of mass 7.55 kg with a speed of 20.8 m/s in…

A: Given data The mass of the skater is m1 = 60 kg. The mass of stone is m2 = 7.55 kg. The speed of…

Q: In a particular crash test, a car of mass 1200 kg collides with a wall. The initial and final…

A: Given data, Mass m=1200 kg Initial velocity u=-15 m/s Final velocity v= 2.6 m/s Collision Time t=…

Q: A tennis ball with a mass of 60 grams is moving at 20 m/s. It is struck so that it returns back…

A:

Q: 51. ssm A projectile of mass 0.750 kg is shot straight up with an initial speed of 18.0 m/s. (a) How…

A: At the maximum height, all the initial kinetic energy is converted into potential energy. So,

Q: In the figure, two long barges are moving in the same direction in still water, one with a speed of…

A:

Q: (a) A car traveling due east strikes a car traveling due north at an intersection, and the two move…

A: (a) No Because here given that the car-1 is traveling due east and car-2 is traveling due north.…

Q: The parachutist lands with a vertical velocity of 7 ms-1 and no horizontal velocity. If the…

A: Firstly retardation will be calculated by following formula: v=u+at v is the final velocity , u is…

Q: A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The player's foot is…

A:

Q: Maxim machine gun fires 445 bullets per minute. Each bullet has a mass of 13g and a velocity of…

A: Write the given values of the problem- Mass of the bullet=13 g velocity=674 m/s Maxim machine gun…

Q: After a 90-kg person steps from a boat onto the shore, the boat moves away with a speed of 0.70 m/s…

A: Given data mass of person = 90 kgspeed of boat = 0.70 m/s in respect to shore∴v1 = 0.7 m/sspeed of…

Q: A baseball (m = 152 g) approaches a bat horizontally at a speed of 43.6 m/s (97.6 mi/h) and is hit…

A: mass of baseball (m) = 152 g = 0.152 kg Initial velocity (u) = 43.6 m/s Final velocity (v) = - 53.8…

Q: If a 0.50 kg block initially at rest on a frictionless, horizontal surface is acted upon by a force…

A: Given Mss of a block = 0.50 kg Initial velocity of block = 0 m/s Surfaces are frictionless force…

Q: a 8 kg bowling ball, moving at 10 m/s to the right, hits and bounces off a second bowling ball with…

A: given that, mass of ball moving right (m1) = 8kg mass of ball moving left(m2) = 5kg  Initial…

Q: A 52.0-kg skater is traveling due east at a speed of 1.70 m/s. A 54.0-kg skater is moving due south…

A:

Q: *11. GO A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision…

A: It is given that,

Q: A baseball (m = 148 g) approaches a bat horizontally at a speed of 38.8 m/s (87 mi/h) and is hit…

A:

Q: I am driving down the street at 23.4 mi/h and suddenly I see a squirrel. I slam on the brakes in…

A: Given that: Speed of car, u = 23.4 mi/h = 23.4 X 1.60 = 37.44 km/h= 10.4 m/s Time of decleration, t…

Q: A 60-g tennis ball initially at rest is hit by a racket. The ball is in contact with the racket for…

A: Given that Mass of the ball m = 60 g = 0.060 kg Initial velocity is u = 0  ( in rest ) Final…

Q: The drawing shows a sulfur dioxide molecule. It consists of two oxygen atoms and a sulfur atom. A…

A:

Q: Question 3. During an archery competition, an arrow of mass 35.0 g is fired horizontally with a…

A:

Q: A child bounces a 58 g superball on the sidewalk. The velocity change of the superball is from 21…

A: Given The mass of the child is m=58 g=0.058 kg. The downward velocity is vd=21 m/s. The upward…

Q: Two ice skaters face each other in an Olympics doubles figure skating event. Skater 1 has a mass of…

A:

Q: Bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster…

A: Impulse is the force applied on an object multiplied by the time duration for which it is applied,…

Q: Dizzy is speeding along at 31.1 m/s as she approaches the level section of track near the loading…

A: Initially speed of Dizzy's car =31.1m/s Final speed of Dizzy's car =3.5m/s Distance cover during…

Q: A tabletop gamer has designed a game that requires three dice to be thrown onto a tray with a…

A: Given: The mass of the first dice m1 = 11.10 g. The mass of the second dice m2 = 13.7 g. The mass…

Q: A car of mass 1,907 kg collides with a wall. The initial speed of the car is 18.2 m/s. After…

A: By, Newton's second Law of motion, Favg = ∆p/∆t Favg = m∆V /∆t Favg = m (Vf -Vi)/∆t Here,  Favg. =…

Q: (a) A car traveling due east strikes a car traveling due north at an intersection, and the two move…

A: