If a 0.50-kg block initially at rest on a frictionless, horizontal surface is acted upon by a force of 2.7 N for a distance of 3.9 m, then what would be the block's velocity?

Q: An electron with a speed of 1.3 × 107 m/s moves horizontally into a region where a constant vertical…

A: Given:-  The horizontal speed of the electron is v= 1.3 x 107 m/s  The constant vertical force act…

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: When jumping down, you can seriously injure yourself if you land on stiff legs. One way to avoid…

A:

Q: A baseball of mass m and initial speed U strikes a catcher's mitt. If the mitt moves a distance Ax…

A: We have to find the average force exerted on the ball. We are aware that the basketball has a mass…

Q: Two brothers, the younger one with mass 50 kg and the older one with mass 80 kg, sled down a very…

A:

Q: An arrow, starting from rest, leaves the bow with a speed of 21.0 m/s. If the average force exerted…

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

A: Data provided:  Mass of block (m) = 0.50 kg Initial velocity of block (Vi) = 0 m/s, rest Force upon…

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: A freight car weighing 20 tons and moving at a speed of 7 miles per hour on a horizontal track…

A:

Q: bullet of mass 3.0g moving at 350m/s hits a tree and penetrates through a distance of 12 cm before…

A:

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: When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid…

A:

Q: A 40 gram bullet is shot from a gun and accelerates from rest to a velocity of 550 m/s in 2…

A: To find the average force Given, mass of bullet = 40 g = 0.04 kg Initial velocity Vi = 0 m/s Final…

Q: A dog weighing 36 kg, is standing on a flatboat so that he is 23 m from shore. He walks 16 m on the…

A: It is given that,

Q: An electron with a speed of 1.1 × 107 m/s moves horizontally into a region where a constant vertical…

A:

Q: Sally throws a puck of mass m = 0.20 kg with an initial velocity i = 5.00i m/s along a horizontal…

A:

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

A:

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: 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: When serving a tennis ball, a player hits the ball when its velocity is zero (at the highest point…

A: Given: The initial velocity of the ball is 0 m/s. The final velocity of the ball is 42.5 m/s. The…

Q: When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid…

A:

Q: A 6.00 kg box sits halfway up a 13.0 m long ramp that is inclined at an angle of 15.0o. You shove a…

A:

Q: When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid…

A:

Q: Two forces, F1 = (6.10î + 4.30ĵ) N and F2 = (3.40î + 7.65ĵ) N, act on a particle of mass 2.20 kg…

A: Given F1 = (6.10î + 4.30ĵ) N  F2 = (3.40î + 7.65ĵ) N m=2.20kg P(+2.05 m, −4.50 m)

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: what is the speed as it leaves her foot traveling in the opposite direction?

A: According to Newton's Second law of motion , we can write that…

Q: A 15 kg block is on a 25kg block, and the 25 kg block is on a frictionless table. The coefficient of…

A:

Q: A 285-g ball falls vertically downward, hitting the floor with aspeed of 2.5 m>s and rebounding…

A: a. The magnitude of the change in the ball’s momentum is final momentum minus initial momentum,

Q: An electron with a speed of 1.0 × 10′ m/s moves horizontally into a region where a constant vertical…

A: Horizontal pSpeed = V = 107 m/s Horizontal distance = 35mm

Q: When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid…

A: Given:-  Mass of man (m) = 84.8kg Before hitting the ground man has speed = 7.88m/s  Time taken (t).…

Q: A 5.8-kg toboggan is kicked on a frozen pond, such that it acquires a speed of 2.1 m/s to the right.…

A:

Q: A 76.0 kg person is riding in a car moving at 16.0 m/s when the car runs into a bridge abutment.…

A: Solution:-Given thatmass of person (m)=76 kgInitial velocity of car (u)=16 m/s (+ve X direction)(a)…

Q: A 79.0 kg person is riding in a car moving at 23.0 m/s when the car runs into a bridge abutment.…

A: a) Given data The mass of the person is m = 79 kg. The velocity of the car is u = 23 m/s. The…

Q: A cricket ball of mass 155 g is hit at a speed of 164 km/h straight at a nearby fielder, who catches…

A:

Q: you were told that the girl's mass was three-fourths that of the boy's mass. The boy has a velocity…

A: Consider the mass of boy is m and the mass of the girl is then 3m/4 Consider the initial velocity of…

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

A:

Q: A student of mass 63 kg falls freely from rest and strikes the ground. During the collision with the…

A:

Q: When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid…

A: Given:- The mass of the man is m = 69.5 kg  The ground has a speed of v = 8.82 m/s  Find:-  (a) In a…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: