A student pushes a laptop cart down the hallway by applying 20 Newton’s force. The student pushes it 10 meters and then stops at the water fountain with the cart and haves a sip of water. While he drinks from the water fountain, what type of work is being done to the laptop cart

Q: A 111 kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the…

A: mass of seal (m)= 111 kg Initial height (h) = 1.90 m θ = 26.5oInitial velocity (u) = 0 msfinal…

Q: A squirrel was sitting on a short tree stump and cleaning its paws. The squirrel got scared when…

A:

Q: You have your textbook and pen with you while working on this exam. Assume the height of your…

A: Given Data : The height of the desk is given as H = 1m. The mass of the book is given as mb. The…

Q: You pull a cart by its handle with a force of 16 N across a frictionless surface with constant speed…

A:

Q: A pump is required to lift 800 kg of water per minute from a well 16.0 m deep and eject it with a…

A: Given: Weight of water: m=800 [kg] Height: h=16 [m] Speed of ejecting out: v=15 [m/s]

Q: A 50-kg crate sits at rest on a floor. A person pushes on the crate with a horizontal force of 600N,…

A: According to work energy theorem: Net work done = Change in kinetic energy We+Wf=12mv2-12mu2 We and…

Q: A man lifts a pail of water of mass m= 3 kg upward at a constant speed of 2 m/s for 5 s. What is the…

A: Given that: Mass of the pail of water, m=3 kg Speed , v=2 m/s time taken, t= 5s

Q: At an orange juice plant, orange juice pulp with a density of 1.25 g/ml passes through a pumping…

A: Output mechanical power

Q: A 7.80-g bullet moving at 570 m/s penetrates a tree trunk to a depth of 6.40 cm. (a) Use work and…

A:

Q: The mechanical power of a cyclist pedaling at a constant speed of 7.5 m / s is 152 W. a) What is…

A: Velocity = 7.5 m/s Power= 152 w Frictional force ? Power = force . Velocity Force = power / velocity…

Q: A leaky bucket which initially has 20 L of water and leaks at a constant rate is hanging from a 60 m…

A:

Q: A lawn roller is pushed 15 meters by a force of 100 N. If the person has used 85 W, how long did it…

A:

Q: You attempt to lift a 1200 N barbell for 10 min, excreting a 1200 N force, but won't move. How much…

A: Required : Amount of work done.

Q: A woman lifts a single shopping bag that weighs 100 N through a height of 30 cm She then walks 3.0…

A: For work-done the displacement should be in direction of applied force or load.

Q: A 7.80-g bullet moving at 660 m/s penetrates a tree trunk to a depth of 5.80 cm. (a) Use work and…

A:

Q: A motor pumps 500 kg of water at a constant speed from street level to a height of 30 m to fill a…

A:

Q: A car of 1100 kg mass changes the speed from 5 m/s to 6 m/s. What is the work done (in J) by the car…

A: Given, Mass of car m = 1100 Kg Initial speed of car u = 5 m/s Final speed of car v = 6 m/s

Q: A curious little girl held a 0.23-kg stone 1.2 m above the top edge of a water well and then dropped…

A:

Q: A 1.000 ´ 103 kg car is moving at 90.0 km/h (25.0 m/s) as it exits a freeway. The driver brakes to…

A: mass = 1000 kg initial speed = 25 m/s final speed = 10 m/s   Yes, the work was done by the car…

Q: In calculating the work W necessary to stretch a spring from its natural length of 8 centimeters to…

A: SOlution: To calculate the work done on spring to stretch.

Q: A 7.80 g bullet is initially moving at 560 m/s just before it penetrates a block of solid rubber to…

A:

Q: A 88 kg block is pulled at a constant speed of 3.5 m/s across a horizontal floor by an applied force…

A: Given data: Mass (m) = 88 kg Constant Speed (v) = 3.5 m/s Force (F) = 139 N Angle between force and…

Q: a. (i) Give an example of an object that has three forces acting on it, and (1) accelerates, (2)…

A: (i)Consider a box of mass m being pushed horizontally over a flat surface, as shown in the figure.…

Q: A leaky 10-kg bucket is lifted from the ground to a height of 12 m at a constant speed with a rope…

A:

Q: The driver of an 1600 kg car (including passengers) traveling at 25.0 m/s slams on the brakes,…

A:

Q: A pump is required to lift 800 kg of water per minute from a well 13.8 m deep and eject it with a…

A: Here the mass of water lifted per minute  = 800 kgdepth of well = h = 13.8m the ejected speed of the…

Q: An 85 kg mountaineer is reaching the top of Mt. Fuji that is 3.76 km high. The mountain makes a…

A: Given that, Mass of a mountaineer, m = 85 kg The mountaineer is reaching the top of Mt. Fuji that is…

Q: ter leaves the h

A: Given: Height is 31 m Diameter is 4 cm Mass is 1000 kg

Q: A bucket of water of mass 20 kg is pulled at constant velocity up to a platform 30 meters above the…

A: Write the given values with the suitable variables. m=20 kgh=30 mt=18 min Here, m, h, and t are the…

Q: A 7.80 g bullet is initially moving at 660 m/s just before it penetrates a block of wood to a depth…

A: The bullet is stopped by the friction force. This means that the loss in kinetic energy is due to…

Q: Explorers in the jungle find an ancient monument in the shape of a large isosceles triangle as shown…

A:

Q: A student weighs 150 lbs and walks up a set of stairs from the first floor to the second floor of…

A: mass (m) = 150 lb time (t) = 20 second

Q: ance x by a constant force F at mg? If not, what is the force e

A:

Q: A 7.80-g bullet moving at 520 m/s penetrates a tree trunk to a depth of 6.30 cm. Answer parts a-b.

A:

Q: A horizontal force of 240 N is applied to move a 46 kg television set across a 10 m level surface.…

A: Introduction :  In this question we are provided it value of force and distance . With these data we…

Q: A 570 kg rollercoaster car starts at rest atop a 38-meter hill. Find the gravitational potential…

A:

Q: 7. Using conservation of mechanical energy concepts, calculate the kinetic energy and velocity of a…

A: The conservation of energy states that 'if there is no external force acting on a system then the…

Q: A 7.80-g bullet moving at 600 m/s penetrates a tree trunk to a depth of 4.80 cm. (a) Use work and…

A:

Q: bucket of water of mass 20 kg is pulled at constant velocity up to a platform 45 meters above the…

A:

Q: A farmer is using a rope and pulley to lift a bucket of water from the bottom of a well that is hy =…

A: Given:The depth of the well is 9.5 m. The force is 59.5 N. The total mass =mb+mw=3.1 kg

Q: Please answer this question in detail, Don't use chatgpt.

A:

Q: drive a Nissan Leaf to work. With the e-pedal on, the motor recovers energy through braking very…

A: Given, With the e-pedal on, the motor recovers energy through braking very aggressively. It takes…

Q: Patrick usually walks up three flights of stairs to his physics class without getting tired.…

A: Concept Power :- The rate of doing work or the rate of consumption of energy is called power.

Q: Suppose you are employed part time in the stock warehouse at a local Canadian Tire store. You work…

A: Total distance covered in one week, s = 5000 m Force required, F =1000 N Work done = F*s = 5000000 J

Q: A motorcyclist runs out of gas on a level road 250 m from the gas station. She pushes the 220-kg…

A: The work done by her is given by: