if 20N force acting on a stationary body changes its velocity to 10m/s in 5 seconds , then the mass of the body will be 10kg. true or false?

Q: What size force acceleration a 0.010 kg bullet from a rest to a speed of 1100 m/s in a distance of a…

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Q: Given, Ignore the friction between the sled and ice. Now, Two 22.7 kg ice sleds initially at rest,…

A: Given mass of the ice sleds = ms = 22.7 kg mass of cat = mc = 3.63 kg initially at rest cat jumps…

Q: A bowling ball weighing 61.5 N initially moves at a speed of 4.00 m/s. How long must a force of 42.5…

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Q: You are on a Death Sled from Perdition for which your combined mass is 145 kg You nurtle over the…

A: The velocity of the sled u=22.5 m/s The combined mass m=145 kg The initial kinetic energy…

Q: A car moving at 11.5 m/s crashes into a tree and stops in 0.32 s. Calculate the magnitude of the…

A: The intial velocity of the car (u) = 11.5m/s The time taken by the car to stop is (t)= 0.32s

Q: A machine gun fires 35.0g bullets at a speed of 750.0 ms-1. If the gun can fire 200 bullets/ min,…

A: Solution: given that m = 35 g v = 750 m/s fire 200 bullets/ min

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 loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one…

A: Mass of bullet = m= 0.02 kg Speed of bullet = u = 300 m/s Mass of gun = M = 1.2 kg Speed of gun = V…

Q: A 925-kg pickup decelerates to rest from a speed of 75 km/h in a distance of 140 m. Consider that…

A: Given: The mass of the pickup is M=925 kg. The speed of the pickup is V=75 kmh. The distance…

Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…

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Q: The net force on block A equals to 79.0 N and the mass of block A is 18.5 kg. if at t=o sec, the…

A: The given values are,

Q: If we exert 1200N on an object to cause it to accelerate 0.55m/s2, what is the mass of the object?

A: Exerted force is F = 1200 N Acceleration of the particle is a = 0.55 m/s2

Q: 7.H 700kq race cur starts From reot ad. travels 50D.om in 4.60 s. f the Cur is untormly accelected…

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Q: In a ballistics test, a 52-g bullet hits a sand bag and stops after moving 1.34 m. If the initial…

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Q: A golf ball with a mass of 45g is struck with a golf club. It leaves the tee at a speed of 200km/hr…

A: The mass of a ball is, m=45 g=0.045 kg The initial speed of a ball is, u=0 m/s The final speed of a…

Q: A Princeton prof. (mass = 70.0 kg), surprised by the large stopping force he calculates for jumping…

A: Given information: Here, h is the height and s is the distance required to completely stop.

Q: A toy rocket achieves a velocity of 54.0 m/s after 2.50 s, when fired straight up. If the average…

A: Velocity of toy rocket is v = 54 m/s Time taken to achieve the velocity is t = 2.50 s Average force…

Q: A meteorite weighing 1000 lb is buried 60 ft in the earth. Assuming a striking velocity of 1000…

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Q: Given data: K.E = 1804 J Velocity = 28 m/s. Find the mass of object 2

A: Solution:We know relation between kinetic energy and mass is:K.E = 12 mv2

Q: A loaded gun is dropped on a frozen lake. The gun fires, with the bullet going horizontally in one…

A:

Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: case 1the deceleration is given by

Q: A 0.6 ton motor is moving on a leveled highway at a speed of 108 km/hr. How large is a retarding…

A:

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: Given,

Q: Shown below is a graph of a force applied to a small object as a function of time. If the object has…

A: We have Force v/s time graph for an object of mass m=5 kg. If we divide the y-axis of the graph by 5…

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: Given,

Q: A man walked on a road and his speed was .. m/s after two minutes he hit a rock and his speed become…

A:

Q: on a object of mass 3kg is 70N . Then acceleration

A: The mass of the object is m = 3 kg  The force on the object is F = 70 N  Find:- The acceleration of…

Q: In an old-fashioned television, a beam of electrons is accelerated to a speed of 2.3 × 106 m /s and…

A: Given data: v=2.3×106 m/sd=0.05 mme=9.1×10-31 kgB=1.5×10-4 T

Q: The club was in contact with a ball, initially at rest, for about 0.0030 s. If the ball has a mass…

A: According to the impulse-momentum theorem, the impulse exerted on the ball will be equal to its…

Q: 2. A 4 kg seagull flies at 15 m/s into the windshield of an airplane flying in the opposite…

A:

Q: As a system's mass increases, its acceleration decreases and approaches 0. Based on Newton's second…

A: According to Newton's second law of motion,  F = ma From this relation, we can understand that if…

Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

A: According to the given condition, the initial speed (u) is zero and the final speed (v) is 22 m/s.…

Q: An Astornaht floating at rest in space has run out of fuel in her jet pack. She realizes that…

A: Mass of hammer Mass of astronaut Velocity of hammer

Q: In a severe head-on collision of an automobile, a deceleration of 60g’s or more (1 g = 32.2 ft/s2)…

A: Consider the given data as below.  Deceleration,  a=60×g=60×32.2=1932 fts2 Mass, m=45 lb…

Q: •A baseball of mass m and initial speed v strikes a catcher’s mitt.If the mitt moves a distance ∆x…

A: The given values with suitable variables are listed below. Here, vi denotes the initial speed and s…

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

A:

Q: A certain aircraft has a mass of 300,000 kg. At a certain instant during its landing, its speed is…

A:

Q: A bowling ball weighing 46.5 N initially moves at a speed of 5.10 m/s. How long must a force of 44.5…

A:

Q: A bicyclist and his bicycle have a mass of 105 kg. What forces is necessary to bring him to rest…

A: Data given:Mass of the bicyclist, m = 105 kgInitial velocity, u =  25 m/sec.Final velocity, v = 0…