Alice and Bob work in a bakery. Bob frosts cupcakes 3 times faster than Alice does. Working together Alice and Bob frost 80 cupcakes in an hour. At what rate does Bob frost cupcakes? Group of answer choices 25 cupcakes/hour 60 cupcakes 20 cupcakes/hour 20 cupcakes 60 cupcakes/hour

Q: A boy rides a bicycle a distance of 10 m, carrying a bag which weighs 50 N. What is the work done on…

A: Force, F = 50 NDisplacement, d = 10 m The work done on the bag will be given by the formula W = F.d…

Q: A 10 kg toy roller-coaster car is 9 meters above the ground and moves at a speed 15 m/s. What is the…

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Q: A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a…

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Q: A car of mass 2,200 kg accelerates from rest to a speed of 25 m/s over at distance of 240 m. It…

A: Given Data: The mass of a car is, m=2200 kg The initial speed of a car is, u=0 m/s The final speed…

Q: Compute the kinetic energy of an 1800 lb automobile traveling at 30 mi/hr, How many times as great…

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Q: A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a…

A: Kinematics.

Q: Sarah live alone in the 3rd floor of a 5 story townhouse where each story is 4.11 meters high. She…

A: Potential energy = mgh

Q: 6. A proton is being accelerated at 3.6x1015 m/s? in a linear accelerator. If the proton has an…

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Q: A physics teacher decides to perform an experiment and drop a watermelon from a height of 10 meters.…

A: Given Mass of roller watermelon is m=10 kg Acceleration due to gravity is g=9.80  m/s2 Height is…

Q: If you have an object with a mass of 385 grams, and it is moving at a speed of 2.637 m/s, what is…

A: Given data:  Mass (m) = 385 g Speed (v) = 2.637 m/s Required: The kinetic energy in Joules

Q: The figure below depicts a roller coaster track. The roller coaster %3D car has a mass of 155 kg,…

A: Given data: m=155 kgh1=26.3 mh2=15.3 mVA=7.89 m/s Need to determine the total mechanical energy at…

Q: A child of mass m = 23 kg slides down a slide of height h = 2.7 m without friction. Let…

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Q: It takes 551 N of force to balance the friction force and make a car move at a constant speed. How…

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Q: If the gravitational potential energy of 5 Kg rock is 980 J. How high is the rock above the ground?…

A: Given: The mass of the rock is m=5 kg. The gravitational potential energy of rock is E=980 J.…

Q: A 10 kg mass is released from rest from the top of a 2 m long ramp, inclined at 30°. The speed of…

A: 7) work done by the friction = final kinetic energy - initial potential energy W = (1/2)(10)(2)2 -…

Q: Nick is riding a rollercoaster at wonderland. He starts at the top of a hill 25 m above the ground…

A: Write the given values with the suitable variables. H=25 mu=0v=7 m/sη=70%=0.7 Here, H is the initial…

Q: A50 kg skater is moving at 6.1 m/s when he starts up a hill. What is the gravitational potential…

A: Given  Mass of skater (m) = 50 kg Initial velocity (vi) = 6.1 m/s   When skater stopped  Final…

Q: 2. Ryan having mass 60 kg possesses a kinetic energy of 1.3 kJ. What is his speed?

A: Disclaimer - You have asked multiple questions, so as per our guidelines we will answer the first…

Q: Two students are moving 80 N of books from the floor up onto a 1.5 m platform. Student 1 moves 12…

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Q: A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr)? Given: Work:…

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Q: Q23.) A boy of mass 50 kg runs up a staircase of 45 steps in 9 s. If the height of each step is 15…

A: Given: m=50kg g=10m/s2 t=9s h=45*15 =675cm =6.75m

Q: Kinetic Energy: A 1000-kg car is moving at 15 km/h. If a 2000-kg truck has 23 times the kinetic…

A: Given data, Mass of car m=1000 kg Mass of truck M=2000 kg Velocity of car v=15 km/h

Q: the ramp is 1 meter long and tilted at 5o. The ball has a mass of 30 grams. What is the speed of the…

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Q: In the formula W=F x d the work is measured in joules. What metric units does joules stand for?

A: Given: W = F x d

Q: A bird (m=250g) is flying through the sky at 10m/s, if the birds total energy is 1000J, what is his…

A: Given data:  Mass (m) = 250 g = 0.250 kg Velocity (v) = 10 m/s Total Energy (TE) = 1000 J  Required:…

Q: a 76kg man pushes off from the 89kg ice block and slides at a speed of 2 m/s. What is the speed of…

A: Given data: Mass of man (m1) = 76 kg Speed of man (v1) = 2 m/s Mass of ice block (m2) = 89 kg…

Q: A crate (weight = 40 N) is sliding down a ramp 10 m long. The normal force on the crate is 30 N.…

A: In physics, work is defined as the product of the force applied to an object and the distance over…

Q: Romeo throws 5 gram pebbles at Juliet's window. The pebbles hit the window at 2.7 m/s. How fast (in…

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Q: Shark Industries has the theoretical capability to produce 120,000 units per month but currently…

A: 1.conversion cost for the month is 550000 for 7500 production hr per monthso,currect productivity…

Q: Work amounting to 12 Nm is needed to compress a spring to 4 m from its natural length of 1 m. How…

A: Given Work done in first compression is W1=12 Nm Compression of the spring in first case is ∆x1=4-1…

Q: Let's return to our ball-Earth example, only now let's examine a case where a ball is rising in the…

A: Near the Earth's surface, the gravitational potential energy of a system consisting of the earth and…

Q: A 800 lb horse pulls a 200 lb cart with a force of 50 lbf. If the horse pulls the cart a distance of…

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Q: A child of mass m = 29 kg slides down a slide of height h = 2.4 m without friction. Let…

A: A) At the top of the slide, the velocity of the child is zero. Write the expression for the total…

Q: A 1 kg rock is dropped from a height of 6 m. What is the speed of the rock when it just hits the…

A: Given values: Mass, m=1 kg Height, 6 m Acceleration due to gravity, g=9.8 m/s2

Q: You drop a 500 g stone from a height of 1.4 m. What is the total gravitational potential energy on…

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Q: A 815 kg roller coaster starts at the top of a 47m hill and drops down the coaster. What is the…

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Q: A 10 kg mass initially sitting on the ground is placed on a ledge 3 meters above ground level. What…

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Q: The Elf on the Shelf has mass 0.500 kg and is sitting on a shelf some height y above the ground. If…

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Q: your parents demand that you pick up the book and put it on a shelf that is a height of 1.8 m off…

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Q: Select the equation used to calculate an object's KE = 2 mv? KE mr = O KE =1 m

A: Given:- The kinetic energy of the object  Find;-  correct option of the following a) KE= 2mv2b)…

Q: How much work is done in lifting a 100-kg load of bricks to a height of 30 m on a building under…

A: Given that-Mass, m=100 kgHeight, h=30 mWe know that-Acceleration due to gravity, g=9.8 m/s2