The displacement x of a particle moving in one dimension, under the action of a constant force is related to the time t by the equation t = √√x + 3 where x is in metre and t in second. Find (a) the displacement of the particle when its velocity is zero, and (b) the work done by the force in the first 6 s.
Q: A force of 7.2 N acts on a 21 kg body initially at rest. Compute the work done by the force in (a)…
A:
Q: The force required to compress a non-standard spring as a function of displacement is given by the…
A:
Q: A large cruise ship of mass 6.00 ✕ 107 kg has a speed of 12.6 m/s at some instant. (a) What is the…
A: The mass of a ship is, m=6×107 kg The speed of the ship is, v=12.6 m/s (a) The kinetic energy of the…
Q: A cable exerts a constant upward tension of magnitude 2.26 ✕ 104 N on a 2.00 ✕ 103 kg elevator as it…
A: a) The expression for calculate work done by the tension force on the elevator is W=Fdcosθ Since…
Q: mine the work done by the force F = (3.80xi +2.60y
A:
Q: A 52.8-kg box is being pushed a distance of 7.07 m across the floor by a force P whose magnitude is…
A: .....
Q: A 4.8 kg box has an acceleration of 2.5 m/s² when it is pulled by a horizontal force across a…
A: Given: The mass of the object is 4.8 kg. The acceleration of the object is 2.5 m/s2. The coefficient…
Q: A 47.4-kg box is being pushed a distance of 6.53 m across the floor by a force P whose magnitude is…
A: Mass of box m= 47.4 kgCoefficient of kinetic friction µ= 0.222Applied Force P=149NDistance d= 6.53…
Q: A 55.5-kg box is being pushed a distance of 8.48 m across the floor by a force P whose magnitude is…
A:
Q: A large cruise ship of mass 6.60 ✕ 107 kg has a speed of 12.8 m/s at some instant. (a) What is the…
A: a) we know that Kinetic energy = 0.5 mV^2 Substituting values we get KE = 5.4 x 109 J
Q: A cable exerts a constant upward tension of magnitude 2.26 ✕ 104 N on a 2.00 ✕ 103 kg elevator as it…
A: Given, a cable exerts a constant upward tension of magnitude T = 2.26 ✕ 104 N on mass, m = 2.00 ✕…
Q: The force on an object is given by the equation Fix) = 4.32 N/m^2 x^2 - 7.32 N/m x +12.3 N. what is…
A:
Q: A bullet with a mass of 14.5 g is accelerated along the length of a 73.5 cm long rifle barrel from…
A: The given mass of the bullet is m =14.5 = 0.0.145 kg Velocity of the bullet at the time of bullet…
Q: An applied force of 40.0 N j lifts an object straight up a distance of 1.20 m. If the object has a…
A:
Q: A block of mass m=3.9kg is placed on a rough inclined surface making an angle of θ=38o with the…
A: The work done by a force is given as W=F→.S→Where F is applied force and S is the displacement The…
Q: A cable exerts a constant upward tension of magnitude 2.74 ✕ 104 N on a 2.40 ✕ 103 kg elevator as it…
A: Consider an elevator with mass m and the tension force in the wire is denoted by T and it travels a…
Q: A large cruise ship of mass 6.80 ✕ 107 kg has a speed of 11.6 m/s at some instant. (a) What is the…
A: a)Kinetic energy is,
Q: A horizontal force, F~ of 30 N is applied to a 2 kg object as it slides a distance d of 1.7 m up a…
A: Given: The values of force F→ is 30 N. The angle is 35°. The mass of the block is 2 kg. The distance…
Q: A large cruise ship of mass 6.30 ✕ 107 kg has a speed of 13.0 m/s at some instant. (a) What is the…
A: Given: The mass of ship is m=6.30 ✕ 107 kg. The speed of ship is v=13.0 m/s. The displacement is…
Q: A 55.4-kg box is being pushed a distance of 8.02 m across the floor by a force P whose magnitude is…
A: Free body diagram of the box is shown below. N is the normal force ,mg is the gravitational force…
Q: A 2.00-kg object has a velocity (6.20 1 - 1.80 ĵ) m/s. (Note: From the definition of the dot…
A: The answer is given in the explanation page.Explanation:a) To find the kinetic energy of the object,…
Q: A 45.9-kg box is being pushed a distance of 6.54 m across the floor by a force P whose magnitude is…
A: mass of box (m) = 45.9 kg distance moved (d) = 6.54 m Magnitude of applied force (P) = 168 N…
Q: The figure shows three forces applied to a trunk that moves leftward by 3.01 mover a frictionless…
A: F1 = 4. 5N F2= 9.48N F3 = 2.85N angle is 60° We have to find the net work done
Q: Force = (- 7, 9) and displacement = (-2,-2 ), find the work done from the two vector measurements
A:
Q: A rock with a mass of 2.80 kg is moving with velocity (6.201 1.40ĵ) m/s. (HINT: v² = v.v.) (a) What…
A: mass of rock = 2.80 kg velocity vector = (6.20i^ - 1.40j^) m/s
Q: A saltwater crocodile (Crocodylus porosus) with a mass of 531 kg, is seen chasing prey and reaching…
A: Given, Mass of crocodile, m = 531 kgfinal speed , v = 25.9 km/h =25.9×1000m3600s =7.19 m/sTime taken…
Q: A cable exerts a constant upward tension of magnitude 2.26 ✕ 104 N on a 2.00 ✕ 103 kg elevator as it…
A: Write the equation for work done
Q: Determine the work done on the object
A: Given data: The non constant force applied on the object is: F=5x3-4x The work done on the object…
Q: A large cruise ship of mass 7.00 ✕ 107 kg has a speed of 12.2 m/s at some instant. (a) What is the…
A:
Q: A car with mass 1520 kg is traveling down the highway at a speed of 18 m/s when the driver slams on…
A: Given mass of car m = 1520 kg initial speed of car u = 18 m/s as car comes to the rest then final…


Step by step
Solved in 2 steps

- Suppose a box of mass 5 kg is initially at rest on a frictionless horizontal surface. A constant force of 10 N is applied horizontally to the box for 4 seconds, and then a 7 N force of the same direction is applied for another 4 seconds. (a) Find the total distance that the box traveled. (b) Find the total work done on the box.A block of mass 2.6 kg is pushed 4.1 m along a frictionless horizontal table by a constant 21 N force directed 25 degrees below the horizontal. (a) What is the normal force (in N) of the table acting on the block? (b) Determine the work (in J) done by the applied force. (c) Determine the work (in J) done by the normal force exerted by the table. (d) Determine the work (in J) done by the force of gravity. (e) Determine the work (in J) done by the net force on the block.A large cruise ship of mass 6.00 ✕ 107 kg has a speed of 12.4 m/s at some instant. (a) What is the ship's kinetic energy at this time? J(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.) J(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 3.40 km? N
- A cable exerts a constant upward tension of magnitude 2.70 ✕ 104 N on a 2.40 ✕ 103 kg elevator as it rises through a vertical distance of 2.90 m. HINT (a) Find the work done by the tension force on the elevator (in J). J (b) Find the work done by the force of gravity on the elevator (in J).The force required to compress a non-standard spring as a function of displacement is given by the equationF(x) = -Asin(bx) + kx,where A = 11 N, b = 11 rad/m, and k = 78 N/m. Part (b) Calculate the work done in joules as the spring is compressed from x = 0 to x1 = 32 cm. Part (c) Calculate the work done in joules as the spring is compressed from x1 = 32 cm to x2 = 69 cmA cable exerts a constant upward tension of magnitude 2.26 ✕ 104 N on a 2.00 ✕ 103 kg elevator as it rises through a vertical distance of 4.30 m. Find the work done by the tension force on the elevator (in J). Find the work done by the force of gravity on the elevator (in J).
- A cable exerts a constant upward tension of magnitude 1.66 ✕ 104 N on a 1.40 ✕ 103 kg elevator as it rises through a vertical distance of 2.30 m. (a)Find the work done by the tension force on the elevator (in J). (b) Find the work done by the force of gravity on the elevator (in J).A cable exerts a constant upward tension of magnitude 2.70 ✕ 104 N on a 2.40 ✕ 103 kg elevator as it rises through a vertical distance of 2.90 m. HINT (a) Find the work done by the tension force on the elevator (in J). J (b) Find the work done by the force of gravity on the elevator (in J). JA force = (2xî+ 5yĵ), where F is in newtons and x and y are in meters, acts on an object as the object moves in the x direction from the origin to x = 5.17 m. Find the work w=f*dr done by the force on the object.
- You are pushing a refrigerator across the floor of your kitchen. You exert a horizontal force of 306 N for 7.5 s, during which time the refrigerator moves a distance of 3.3 m at constant velocity. (A) what is the total work (by all forces) done on the refrigerator? (Answer in J) (b) what is the work done by friction? (Answer in J)2.55 N, and the indicated angle The figure shows three forces applied to a trunk that moves leftward by 3.28 m over a frictionless floor. The force magnitudes are F1 is e = 60°. (a) During the displacement, what is the net work done on the trunk by the three applied forces, the gravitational force, and the normal force? (b) Is there a net transfer of energy to or from the trunk? (c) Does the kinetic energy of the trunk increase or decrease? 5.03 N, F2 = 8.83 N, and F3 (a) Number Units (b) (c)A cable exerts a constant upward tension of magnitude 1.54 ✕ 104 N on a 1.20 ✕ 103 kg elevator as it rises through a vertical distance of 3.10 m. HINT (a) Find the work done by the tension force on the elevator (in J). J (b) Find the work done by the force of gravity on the elevator (in J). J