A lift motor has to move a fully laden lift 4 m between floors in 1.5 seconds. the lift has a mass of 1850 kg (Ignore Friction). Calculate the weight of the fully laden lift O a. 18500 KN O b. 1850 g O c. 1850 kg O d. 18500 N

Q: Identify whether the following is a scalar quantity or a vector quantity. a. 800 J of work b. 120 N…

A: Given data:  The physical quantities Required: Identify qualities as a scalar or a vector quantity

Q: 12.) A 2kg rock is moving at a speed of 6m/s. What is the magnitude of the force needed to stop the…

A: Given, A 2kg rock is moving at a speed of 6m/swe are asked to the magnitude of the force needed to…

Q: 1. Under a constant force, a 10 kg ball increases its speed from 2.0ms1 to 7 ms1 after covering 50…

A: Given data The mass of the ball is given as m = 10 kg. The initial velocity of the ball is u = 2…

Q: A stuntman of mass 55 kg is to be launched horizontally out of a spring- loaded cannon. The spring…

A: Mass of stuntman (m) = 55 kg Spring coefficient (k) = 266 N/m Compression in spring (x) = 5 m Need…

Q: Describe an object that has a lot of kinetic energy, but not very much mass.

A: Kinetic energy: It is defined as the energy possessed by the body by virtue of its motion. Let us…

Q: 357 kg car is moving at 35–. The driver then accelerates at 3.5 for 18.3s s2 a. How fast is the car…

A: given   m=1857 kg      initial velocity u=35 m/s      acceleration a= 3.5 m/s2     t=18.3 s v = u…

Q: The conditions that the weight of a given assembly is very nearly independent of the type of the…

A:

Q: The work done in accelerating a body equals the body's change in.. A. Momentum B. Kinetic energy C.…

A: Work done by a force can be represented as, Here, F, d, and θ represent the force, the…

Q: The force F= 21 +5/N is the only force acting on object of mass me2 kg as it moves from initial…

A:

Q: An actor whose mass is 75 kg jumps from the platform. Determine the speed of the actor as it hits…

A: Given that: height, h=5 mg=9.8 m/s2mass, m=75 kgv=?

Q: 8. The driver of a car steps on the gas, and the car accelerates with acceleration a. When writing…

A: Option 1 The normal force is always acting normal to the object. Which is wrong statement. Option 2…

Q: Calculate the required motor power (in horsepower) to lift the boulder from the base of the inclined…

A:

Q: 16. A roller coaster engineer (yes, there is such a thing) is considering three different designs…

A: The three different designs for roller coaster are represented as : "X" , "Y" , "Z". The initial and…

Q: A Physics book of unknown mass is dropped from rest 5.5 m. a). Draw a sketch of the scenario. b).…

A:

Q: If the velocity of a body is halved, its kinetic energy a. decreases 2 times b. decreases 4 times c.…

A: The kinetic energy of a body is given as Here, m = mass of the body v = velocity of the body New…

Q: 10. An olympic long jumper (86 kg) throws themselves at a 30* angle to the horizontal. Calculate the…

A: solution is give as

Q: 46. Roller coasters use some of the most sophisticated technology. Safety is a big part of that…

A:

Q: 4. An 8000 kg roller coaster, traveling along the frictionless track shown, has velocity v, = 30…

A:

Q: A 126 N force is applied at an angle of 25.00 to a 8.50 kg block pressed against a rough vertical…

A: Given: Force, F=126NAngle θ=250Mass of the block, m=8.50 kgAcceleration due to gravity, g=9.8m/s2

Q: When is a force acting on an object considered to be conservative? a.when it obeys Newton's laws of…

A: If system is interacting with conservative forces only then total mechanical energy of the system…

Q: Quèstion 1 A 10 kg object is released at the top of a building 100 m high. If the force of air…

A: Given data, Mass of the object = 10 kg Height of the building = 100 m Air resistance = 10 N

Q: The sytam an the uren reksed bom rent The conficent of kunetc ction between blockAand the tae in…

A:

Q: An 82 kg diver jumps from a 6.5 m high platform. What is their velocity just before they hit the…

A: Mass of driver m = 82  kg    Height of platform h = 6.5 m

Q: A computer on the table is at rest. This means that   A. Computer has no energy   B. No net…

A: Balanced forces are the force that acts on the object in an equal magnitude and opposite direction.…

Q: A body is falling freely under the action of gravity alone in vacuum. Which of the following…

A:

Q: This quantity is defined mathematically as force times distance.  Choose the correct  letter only.…

A: Quantity mathematically defined as force times distance  i.e., Quantity = Force x distance = F d…

Q: Compared to the recoiling rifle, the bullet has more a. mometum b. kinetic energy c. none of…

A: We are given a system. This system contains bullet and rifle. Since they both form system, there is…

Q: A 50kg box and a 15 kg box are dropped from a 50 m cliff at the same time, from rest. Which of the…

A:

Q: If the mass of the swimmer is 50 kg. d. Velocity impact is e. Assuming the swimmer falls directly…

A: Given that Height (h)= 15 m Let the velocity of impact be v Mass of the swimmer (m)= 50 kg

Q: 2. When you weigh yourself on solid ground, your weight is 790 N. You stand on a bathroom scale in…

A:

Q: 16.A person kicks a ball with a force of 250 N that accelerates the ball at a rate of 5 m/sec2. What…

A: Force applied by the person while kicking a ball (F) = 250 Newton Acceleration produced in the ball…

Q: The unit of . .is Kg.m/s2. * Mass O Power O Energy Acceleration Weight

A:

Q: A car is parked at the top of a 70-m high hill. It slips out of gear and rolls down the hill. How…

A: solution as

Q: 8. The driver of a car steps on the gas, and the car accelerates with acceleration a. When writing…

A: The motion of any object is governed by Newton's three laws of motion. The second law states that…

Q: Jeff of the Jungle swings on a 7.6-m vine that initially makes an angle of 37° with the vertical. If…

A:

Q: f an object has kinetic energy, it must also have A. Potential energy B. Momentum C. Power D. Impuls

A:

Q: 7. A 20.0 kg box traveling initially at 5.0 m/s slides to a stop on a surface where μ=0.300. Δd =…

A:

Q: What is the magnitude of the force required to stretch a 10 cm-long spring, with a spring constant…

A: Given that:Length of spring, L=10 cmSpring constant, k=100 N/mLenght after stretch, L'=15 cm

Q: O when it leaves the gun? O a. 5 m/s Ob. 20 m/s O c. 10 m./s cm. How last will a Gar

A: Spring constant = K = 250 N/m Compressed length = x = 5cm = 0.05 m Mass = m = 0.025 kg

Q: ot a 51 g ring consta tched by 0. s the pebble

A: We know that As per given The catapult is initially stretched by  x =0.2 m  The pebble files let a…