A ball has a kinetic energy of 4.50 kJ. If the ball has a mass of 120.0 g, how fast is the ball traveling, in meters per second?

Q: How many calories of energy does it take to heat a 115.2mL sample of water from 11.0° C to 88.0° C?

A: Since the heat required to heat the water (liquid state) is given by  Q = mC ΔT where  ΔT = change…

Q: A 73 kg student traveling in a car with a constant velocity has a kinetic energy of 2.0  104 J. What…

A: • Here is given that,      Mass of student, m  = 73 kg • Since, he is travelling with a constant…

Q: When 33.6 g of aluminum is warmed from 23.0°C to 28.6°C, how many calories of heat does it require?

A: The formula in which the calories will be calculated - Given data, Mass, m = 33.6 g c (Specific…

Q: Which of the following objects has the greatest kinetic energy?a 5000 kgtruck moving at 10 km/h (

A: Kinetic energy = ½ mv2 M = 5000 kg, V = velocity = 10 km /h

Q: If a wheelchair-marathon racer moving at 13.1 miles per hour expends energy at a rate of 655…

A: Given ;   Racer move=13.1 miles/hour  Expands energy=655 cal/hour  Energy required to complete…

Q: Based on the law of conservation of energy, which of the following describes the transformation of…

A: Option D is the Correct Choice.

Q: A 152.0 g ball traveling at a speed of 2.30 m/s has a kinetic energy of Answr J

A: The kinetic energy of the ball is given by: where m = mass of the ball = 152.0 g v = velocity of…

Q: which of the following has the greatest amount of potential energy  A. a ball at the top of a hill…

A: answer:- This question is answered by using the simple concept of potential energy which is directly…

Q: How much heat, in units of Joules, is needed to warm 667.7 g of copper from 17 °C to 59 °C? The…

A:

Q: How many times more kinetic energy does the dump truck have than the car?

A: Given: Mass of sub compact car =1.6×103 Kg Mass of dump truck =1.70×104 Kg Speed of both truck and…

Q: a ball has a kinetic energy of 106 J. If the ball is moving at a velocity of 2.51 m/s, what is the…

A: Since , Kinetic energy =1/2 mv 2 Where m = mass (in kg ) V= speed (in ms -1)

Q: A ball has a kinetic energy of 4.50 kJ. If the ball has a mass of 120.0 g, how fast is the ball…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.51 kg sample…

A: Given :-  heat needed to raise the temperature of substance i.e. q = 74.5 kJ  mass of substance =…

Q: Calculate the energy needed to heat the cube of silver, with a volume of 10.0 cm, from 18 °C to 26 "…

A: Given : Volume of silver cube = 10.0 cm3 = 10.0 mL                                   (since 1 cm3 =…

Q: Determine the kinetic energy of a baseball thrown at 100.0 mph. The mass of a baseball is 144.3 g.

A: Given data, Mass of the baseball = 144.3 g  Velocity of the baseball = 100.0 mph Since , 1mph =…

Q: An adult eats food whose nutritional energy totals approximately 2400 Cal per day. The adult burns…

A: Energy intake = 2400 Cal per day. Energy consumed = 2200 Cal per day.

Q: A 1445 kg car is traveling down the road at 96.6 km/h. While traveling at this rate of speed, what…

A: Given : Mass of car = 1445 kg Speed of car = 96.6 km/hr  To calculate :- Kinetic energy (in kJ)

Q: How many kilocalories are required to heat 100g of water from 34.2°C to 96.5°C?

A: Since the heat required for the heating process is given by  Q = mCΔT  where Q = heat or energy…

Q: You serve a volleyball with mass of 2.6kg. The ball leaves your hand with a velocity of 5 m/s, how…

A: Given: The mass of the ball, (m)=2.6kg. The velocity of the ball, (v)=5 m/s.

Q: The goose has a mass of 16.4 lbs and is flying at 10.4 miles/h. What is the kinetic energy of the…

A: Speed = 10.4 miles/hour.

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water…

A: The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed with 1.5…

Q: Which of the following objects has the greatest kinetic energy?(a) a 500-kg motorcycle moving at 100…

A: Given data: mass, m = 500 Kg velocity, v = 100km/hr

Q: 4. An athlete eats food in order to get energy for their competition that day. What type of energy…

A:

Q: Calculating kinetic energy Calculate the kinetic energy of a 569. kg roller-coaster car moving at a…

A: Mass of roller-coaster car = 569.0 kg  Speed of car = 26.0 m/s

Q: Which of the following objects has the greatest kinetic energy?a 10,000-kg truck moving at 5 km/h (

A: The given data: Mass, m= 10000 Kg  Velocity, v = 5 km/hr

Q: List some examples of kinetic energy.

A: Kinetic energy could be defined as the energy that is found in objects that are moving. The energy…

Q: A 1467 kg1467 kg car is traveling down the road at 81.0 km/h.81.0 km/h. While traveling at this rate…

A:

Q: The energy change that occurs when an object moves from one position to another due tothne force of…

A: According to the question,we need to determine When an object moves from one position to another due…

Q: A 43.97 kg cheetah is running after a gazelle at 22.49 m/s. What is the kinetic energy of this…

A: Given mass of cheetah  = 43.97 kg  velocity               = 22.49 m/sec Kinetic Energy    = ?

Q: If a 10.5 gram sample of iron requires 784.35J of energy to raise the sample to a final temperature…

A:

Q: kJ per hour ?

A:

Q: How much heat, in units of Joules, is needed to warm 647.2 g of copper from 40 °C to 82 °C? The…

A: q = mc∆T q = heat  m = mass of copper  c = specific heat of copper  ∆T = change in temperature

Q: How much work is done by an Olympic bicyclist who accelerates from 5.0 m/s to 10.0 m/s? The mass of…

A:

Q: A 0.82 g corn chip burns and heats 50 g of water from 22.1 degrees C to 27.8 degrees * C . If 0.23 g…

A:

Q: Which of the following statements correctly describes mechanical energy? O It is a type of chemical…

A: Solution The energy nonheritable by the objects upon that work is completed is thought as…

Q: An adult eats food whose nutritional energy totals approximately 2100 Cal per day. The adult burns…

A:

Q: km Calculate the kinetic energy of a 2.6 x 10" kg airplane moving at a speed of 0.32

A: Given :- mass of airplane = 2.6 x 104 kg               Speed = 0.32 km/s  To be calculated :-…

Q: Energy required to heat 10.0 g of silver from 112 °c to 275 °c. Answer in joules and calories

A: The amount of heat : Q = m . c . delta T m = mass in grams c = specific heat = 0.233 J/goC delta T =…

Q: The freezing point of mercury is -38.8 °C. What quantity of energy, in joules, is released to the…

A:

Q: If a television requires 150 kJ/h to run, how many hours can the television run on the energy…

A: 1 gallon of gasoline has energy equal to 33.7 kWh 1kWh = 3600000 J/s 33.7 kWh = 33.7 X 3600000 J/s =…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A:

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

A:

Q: What is the heat joules required to raise the temperature of 25 grams of water from 0 degree C to…

A: We have to calculate the heat in joules and calories require to raise the temperature of water.…

Q: An adult eats food whose nutritional energy totals approximately 2200 Cal per day. The adult burns…

A: The amount of energy which is accumulated as fat in one day is 2200cal – 2000cal = 200cal.  The…

Q: 8.0-kg rock is dropped from a height of 3.0 m. At what height is the rock's kinetic energy twice its…

A: As we know potential energy =mgh

Q: Does the kinetic energy of the ball increase or decrease as it moves higher?  (b) Does the…

A: (a). Kinetic energy is the energy possessed by an object when it is in motion. Kinetic energy…

Q: The goose has a mass of 18.6 lb (pounds) and is flying at 9.40 miles/h (miles per hour). What is the…

A: Mass of Goose (m) = 18.6 pounds Velocity of Goose (v) = 9.40 miles/hr

Q: A typical candy bar contains 281 food Calories, which is 281 kcal. How many kilojoules are contained…

A: Given that : Energy provided by one candy bar = 281 kcal. We have to calculate the kilojoules of…

Q: A ball has a kinetic energy of 3.60 kJ. If the ball has a mass of 120.0 g. how fast is the ball…

A: