Consider a box of mass 3.5 oh being accelerated along the floor at 2.7 m/s2. m= 3.5 kg ax = 2.7 m/s2 a. If this block is being accelerated from rest for a time period of 8 s, what is the net work, in joules, swing done on it?

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=3 m/s at a starting point.…

A: Given: mass of an object, m = 20 kginitial speed, vi = 3 m/sfinal kinetic energy, KEf = 122 J

Q: Starting a race, a 68.2-kg sprinter runs the first 7.04 m in 1.60 s, starting from rest and…

A: Given: The mass (m) of the sprinter is 68.2 Kg. The distance (S) covered by the sprinter is 7.04 m.…

Q: Mathematically, explain how a car (A) with mass of 500 kg and velocity of 2 m/s has the same kinetic…

A: Given that:- mA=500 kgmB=20000 g=20 kgvA=2 m/svB=10 m/s

Q: How much work is needed to change the speed of a 2375 kg sport utility vehicle from 15.0 m/s to 60…

A: Given data:  Mass (m) = 2375 kg Initial velocity (Vi ) = 15.0 m/s Final velocity (Vf) = 60 m/s…

Q: The resilin in the body of a flea has a forceconstant of about 24 N>m, and when the flea cocks…

A:

Q: What is the Net Work ? Wnet = Fnetd cos θ Cart Mass, mc . 284 kg Angle, theta 49 degrees…

A: Here given the mass mc, average velocity 0.171 m/sec ,the angleθ= 49°. We have to calculate the net…

Q: What is the Net Work ? Wnet = Fnetd cos θ Cart Mass, mc . 284 kg Angle, theta 49 degrees…

A: Work done is defined as the force applied multiplied by the distance traveled. Work done done is…

Q: An accelerating object of mass m=18 kg is fired with an initial speed v=9 m/s at a starting point.…

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Q: In Figure, a chain is held on a frictionless table with one third of its length hanging over the…

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Q: When a 1984 Alfa Romeo Spider sports car accelerates at the maximum possible rate, its motion during…

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Q: It takes 157 kJ of work to accelerate a car from 23.4 m/s to 27.3 m/s. What is the car's mass?

A: Given, Work done, W=157 kJ Initial velocity, u=23.4 m/s Final velocity, v=27.3 m/s

Q: A projectile of mas m = 1 kg is launched with an initial velocity V = (1.8 7+ 2.2 ) . What is the…

A: Given: The mass is m= 1kg. The velocity is v→=1.8 i^+2.2 j^ ms. At the highest point the velocity…

Q: A girl with a mass of 17.46 kg on a swing. Her friend gives her a push such that the maximum height…

A: Given: The mass of the girl is 17.4 kg. The maximum height of a girl from the ground surface is 0.39…

Q: A body of mass 11 kg projected vertically upward from the ground has a potential energy of 320 J and…

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Q: It takes 212 kJ of work to accelerate a car from 21.7 m/s to 29.2 m/s. What is the car's mass?

A:

Q: A truck of mass 900 kg starts with an initial velocity of 2.00 m/s and travels in a straight line…

A: Mass of the truck,

Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 6.0 m/s, the net…

A: Given: Mass of cart m=5.0 kg Initial speed u=4.0 m/s Final speed v=6.0 m/s To find net work done in…

Q: An accelerating object of mass m=5 kg is fired with an initial speed v;=9 m/s at a starting point.…

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Q: A 3.00-kg object has velocity (6.00i− 2.00j) m/s. (*) What is its kinetic energy at this moment?…

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Q: A rock with a mass of 3.40 kg is moving with velocity (5.60î – 1.40j) m/s. (HINT: v = v· v.) (a)…

A: Given data: The mass of rock is m=3.4 kg. The velocity of rock is v→=5.6i^-1.4j^ m/s. The new…

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=7 m/s at a starting point.…

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Q: Q45) A 8 kg box is moving horizontally at 6 m/s. To change its speed to 10 m/s, the net work done on…

A: Given a box of mass m=8 kg which is moving horizontally with a velocity of v1= 6 m/sec. Its speed is…

Q: It takes 156 kJ of work to accelerate a car from 20.4 m/s to 28.2 m/s. What is the car's mass?

A: The mass of the car can be calculated in given steps:Given:

Q: A pitcher bestows a power of P = 206 W to a baseball of mass m = 0.095 kg for a period of t = 0.28…

A:

Q: A 5.00-kg object has a velocity (7.00i – 2.00j) m/s. (a) What is its kinetic energy at this moment?…

A: Part aWhat is its kinetic energy at this moment? part(b) What is the net work done on the object if…

Q: What is the Net Work ? Wnet = Fnet d cos Θ Cart Mass, mc . 284 kg Angle, theta 49 degrees…

A: Work done is defined by the product of force applied and the displacement occurred. When a body at…

Q: A proton (mass m = 1.67 × 10-27 kg) is being accelerated along a straight line at 2.70 × 1011 m/s2…

A: (a)consider the kinematic equation.Vf2=v02 +2as                (i)             where,     vf=final…

Q: An airplane of mass 4500 kg is cruising at a speed of 49.0 m/s at an altitude of 175 m. What is its…

A:

Q: What is the Net Work ? Wnet = Fnetd cos θ Cart Mass, mc . 284 kg Angle, theta 49 degrees Distance,…

A: Given: The mass of the cart, M = 0.284 kg The magnitude of suspended mass, m = 0.3 kg The distance…

Q: How high must a 20 kg box be lifted to give it 784J of potential energy?

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Q: A sledgehammer of mass m = 1.9 kg falls freely vertically downward from a height of h = 2.5 m at an…

A: Mass= 1.9 kg Height= 2.5 m

Q: A block of mass m1=2.40kg is connected to a second block of mass m2=1.80kg. The two masses start…

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Q: F = 5000 N 0= 36.9° fk = 3 500 N d =20m Weight = 14 700 N

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Q: A box of mass mmm = 2.5 kg  (moving in the positive x-direction) has a velocity of 2 m/s at t = 0,…

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Q: A sledgehammer of mass m = 1.1 kg falls freely vertically downward from a height of h = 2.5 m at an…

A: mass of sledgehammer (m) = 1.1 kg h = 2.5 m Initial speed (v) = 11.5 m/s distance moved by piling…

Q: A luge and its rider, with a total mass of 90.0 kg, emerge from a downhill track onto a horizontal…

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Q: A luge and its rider, with a total mass of 76.0 kg, emerge from a downhill track onto a horizontal…

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Q: A 2500 kg car accelerates from rest to a velocity of 30.0 m/s in 8.00 seconds. The work done by the…

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Q: A machine carries a 3.5 kg package from an initial position of d, = (0.50 m)i + (0.75 m)j + (0.20…

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Q: A m chain 100 m E hA hE G m # 20. If hA= 80.0 m, and the mass of the cart m= 100.0 kg, what is the…

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Q: A pitcher supplies a power of P = 226 W to a baseball of mass m = 0.085 kg for a period of t = 0.28…

A: Given value--- power = 226 W. mass = 0.085 kg. time = 0.28 sec. We have to find--- What is the…

Q: An accelerating object of mass m=14 kg is fired with an initial speed v-2 m/s at a starting point.…

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Q: What is the average power output of a 55.0 kg woman who does 50 deep knee bends in which her center…

A: The expression for the output power is,

Q: A block with an initial kinetic energy of 4.0 J comes to rest after sliding 1.0 m. How far would the…

A: Given - If the initial kinetic energy of block was K1,i = 4.0 J , then the distance travelled by the…

Q: What is the power output for a 60.0 kg person who runs up a 3.00 m high flight of stairs in 3.50 s,…

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Q: The system in the figure is released from rest. The coefficient of kinetic friction between block A…

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Q: A 80-kg man runs at a constant velocity of 3 m/s. What is his kinetic energy? 880 J 420 J 360 J 240…

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Q: An accelerating object of mass m=4 kg is fired with an initial speed v=3 m/s at a starting point. If…

A: Initial velocity, u =3 m/s Mass, m = 4 kg Final Kinetic energy, K.E.2=380 J