A 17 kg child carries a 910 g teddy bear up the steps of a slide that is 1.6 m above the ground. a. What is the change in potential energy of the teddy bear when it gets to the top of the slide? b. The teddy bear then goes down the slide, which makes a 20⁰ angle with the ground, what is the change in potential energy of the teddy bear when it returns to the ground? c. What is the total change in potential energy of the teddy bear?

Q: A 250 g cart rolls 1.80 meters down along an inclined track. The track makes an angle of 24o with…

A: a. Let the height be h and base be represented by s. h=1.8sin24o =0.732 m s= 1.8cos24o = 1.644 m…

Q: (a) Choosing the bottom of the slide as the reference configuration, what is the system's potential…

A:

Q: Someone drops a 63.5 g rock off of a docked cruise ship, 82.0 m from the water line. A person on a…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A bicycle and rider going 15 m/s approach a hill. Their total mass is 91 kg. (a) What is their…

A: Given, Mass,m=91 kg Speed,v=15 m/s

Q: se in potential energy? (b)What is the work done on the hollow block at this height? (c)If the…

A: Given values:- Mass of hollow block,(m)=2 kg ----(1) Height,(h)=5 m -----(2) Acceleration due to…

Q: A force of 50 N stretches a spring in the figure by 200 mm. (a) What is the spring constant k? (b)…

A:

Q: A 1.5 kg ball is thrown upward with a velocity of 6 m/s. a). What is the kinetic energy of the ball…

A:

Q: A 0.32-kg stone is dropped into a water well while being held 1.2 m above the top of the well's rim.…

A: Given Mass of the stone is given as m=0.32 kg Initial height of the stone above the top of the…

Q: 1. a) What is the Potential Energy of a 30kg mass at the edge of a roof 110 m above the ground? The…

A:

Q: A 156 gram ice hockey puck slows down from 45.0 m/s to 44.5 m/s as it slides 17.5 m across the…

A:

Q: At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from…

A: Height of the shaft h=132 m Mass of the payload m=41 kg Acceleration due to gravity g=9.8 m/s2

Q: What is potential energy? Provide a simple explanation. b) An apple on a tree is hanging 3m from…

A:

Q: A sled and rider with combined mass of 85 kg are perched at the top of a hill. The top of this hill…

A:

Q: A box is being pushed to the right with 45N of force. The box travels a total of 2.8m to the right.…

A: Given data The push force is F=45 N The distance covered is d=2.8 m The frictional force is FR=13 N…

Q: A 1.70-m tall person lifts a 2.40-kg book from the ground so it is 2.20 m above the ground. a) What…

A: Work is the product of the component of force in the displacement direction and the magnitude of the…

Q: A car (1000 kg) is going 20 m/s on a level road and slams on the brakes. The skid marks are 25m…

A: If an object has mass 'm' and velocity 'v' then the kinetic energy of the object can be found using…

Q: A sled and rider with a combined weight of 68 kg are at rest on the top of a hill 29 m high. (a)…

A: (a)   The total energy of the sled and rider at the top of the hill can be calculated as,

Q: A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two…

A: a) The spring constant of the rubber bands is given by,

Q: A 17 kg child carries a 910 g teddy bear up the steps of a slide that is 1.6 m above the ground.…

A: Change in potential energy of the teddy bear…

Q: Someone drops a 50 − g pebble off of a docked cruise ship, 70.0 m from the water line. A person on a…

A:

Q: 30 kg box is placed on a 1.9 m tall shelf. a). What is the gravitational potential energy of the…

A: Given: A 30 kg box is placed on a 1.9 m tall shelf. mass m=30kg and height h=1.9 m To Find: a). What…

Q: At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from…

A:

Q: A) A 150g book is initially at rest on a table that has no friction. AT a force of 3.2 N is applied…

A: As per the answering guidelines we will solve only first three subparts. Please upload the last part…

Q: A 2900kg roller coaster has an initial velocity of 0m/s at point A on this frictionless track. A.)…

A: Note-Bartleby guideline allows to expert answer only the first three subparts.   Solution

Q: A sled and rider with a combined weight of 59 kg are at rest on the top of a hill 19 m high. (a)…

A:

Q: At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from…

A: Given, m=m Mass of payload, m=15 kg Height of shaft, h=132 m

Q: A roller-coaster at its highest point is 100m high. The car rests at this point, and has a mass of…

A:

Q: A 150g book is initially at rest on a table that has no friction. A force of 3.2 N is applied to the…

A:

Q: Someone drops a 70 - g pebble off of a docked cruise ship, 50.0 m from the water line. A person on a…

A: Given: The mass of the pebble is 70 g. The initial height is 50.0 m. The final height is 5.0 m.

Q: Problem 2: A 2kg object starts at rest at the top of a slope which is 10 meters high. A. What are…

A:

Q: A 56.0-kg runner has a speed of 4.10 m/s at one instant during a long-distance event. (a) What is…

A: Mass of runner m = 56 Kg Speed of runner v = 4.10 m/s a) KE of runner = ?  b) KEf/KEi = ?

Q: A set of stadium stairs consist of 90, 20 cm high steps. A 70 kg runner is training by traversing up…

A: As per bartleby guideline for more than one subparts asked only first three are to be answered…

Q: A helicopter lifts a 65 kg astronaut 18 m vertically from the ocean by means of a cable. The…

A: F   to denote the upward force exerted by the cable on the astronaut. The force of the cable is…

Q: A sled and rider with a combined weight of 51 kg are at rest on the top of a hill 13 m high. (a)…

A: a) The expression for find total energy of the sled and rider at the top of the hill is…

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A: Data Given,  Mass of the ball ( m ) = 28 g = 28 × 10-3 kg Initial speed ( v ) = 5 m/s  Air drag is…

Q: A cat’s crinkle ball toy of mass 15 g is thrown straight up with an initial speed of 3 m/s . Assume…

A: Hey, there are multiple subparts posted, we are authorized to answer three subparts at a time, since…

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A: Solution: Given that mass m = 28 g speed v = 5 m/s

Q: A 3.2 kg sloth hangs 3.0 m above the ground. (a) What is the gravitational potential energy of the…

A:

Q: Alissa dropped a ball from a height of 2000 mm. Find out (a) how long it will take to hit the ground…

A:

Q: A 25 kg bear slides, from rest, 12 m down a lodgepole pine tree, moving with a speed of 5.6 m/s just…

A: a) The expression for the change in potential is,

Q: A cat's crinkle ball toy of mass 28 g is thrown straight up with an initial speed of 5 m/s. Assume…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.