A 43.97 kg cheetah is running after a gazelle at 22.49 m/s. What is the kinetic energy of this cheetah in joules while chasing the gazelle at this rate of speed?

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

Q: If the mass of a truck is doubled-for example, when it is loaded-by what factor does the kinetic…

A:

Q: What is the independent and dependent variable? Does the mass of a bouncy ball affect how much…

A: Dependent variable: A variable which depends on the other variable say, independent variable. It is…

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

A:

Q: An office heater puts out 2010 Btu (British thermal units) of energy in the form of heat per hour.…

A: Given: Amount of energy produced per hour = 2010 Btu/hr .

Q: The nutritional information label for food items provides the calorie content and other nutritional…

A: Given: Donuts Composition:  Carbs = 32 g Fats = 12 g Proteins = 2g and Energy Value: Carbs = 17 KJ/g…

Q: A chemical reaction occurs and 64.7 cal is transferred to the system. How many joules is this? is…

A: We have to predict nature of reaction and heat in joules.

Q: A work of 657 J is done on a system that releases 434 J of heat. What is the energy change in the…

A: According to first law of thermodynamics, internal energy of the system is equal to the sum of work…

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: A 1709 kg1709 kg car is traveling down the road at 87.0 km/h.87.0 km/h. While traveling at this rate…

A: Given that,

Q: km Calculate the kinetic energy of a 1.7 x 10" kg airplane moving at a speed of 0.20

A: Given :- mass of airplane = 1.7 × 104 kg                speed = 0.20 km/s  To calculate :- kinetic…

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

A: 1 calorie = 4.184 joule 1 kJ = 1000 joule in

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 1533 kg car is traveling down the road at 99.0 km/h. While traveling at this rate of speed, what…

A: Here we use the formula of kinetic energy K.E = 1/2 m* V^2 Where m = mass of car = 1533 kg V =…

Q: A 1555 kg car is traveling down the road at 95.4 km/h. While traveling at this rate of speed, what…

A: Given  Mass of Car( m )  = 1555 Kg             Speed( v)  =  95.4 km/h  Kinetic Energy of Vehicle =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 562.0g sample…

A:

Q: What kind of kinetic energy is most often produced from chemical energy in chemical reactions?

A:

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: When the automobile brakes to it stop is the lost kinetic energy converted mostly to heat or some…

A: When brakes are applied, the kinetic energy of the car is converted to some other form of energy and…

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: A 1489 kg1489 kg car is traveling down the road at 100.2 km/h.100.2 km/h. While traveling at this…

A: Mass = m= 1489kg. Velocity v = 100.2km/h = 100.2×5/18 = 27.7m/s (1km/h =5/18 m/s).

Q: When 47.9 J of heat is added to 13.8 g of a liquid, its temperature rises by 1.70 ∘C. What is the…

A: Given,Heat (Q) = 47.9 JMass (m) of liquid = 13.8 gRise in temperature (△T) = 1.70 oC

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: If the mass of a truck is tripled-for example, when it is loaded-by what factor does the kinetic…

A: 1) mass is tripled  2) mass becomes one fifth

Q: A 250.0 g sample of methanol is heated from 0 °C to 40 °C. How much heat (in kJ to two decimal…

A:

Q: A certain physical process requires 36.00 kilojoules (kJ) of heat.  Convert this quantity to…

A: Given : Energy in KJ = 36.00 KJ

Q: A 26.9 g rock rolls down the hill at a speed of 81.9 m/s. What is the Kinetic energy of the rock? (…

A: given mass of rock(m) = 26.9*10-3kg speed of rock(v)= 81.9 m/s kinetic energy (KE) =?

Q: • A young man exerted a force of 9,000 N on a stalled car but was unable to move it. How much work…

A: Given  Force = 9000 N Distance = 0 ( no displacement)  Find out work (W)

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: What is the kinetic energy of a 63.4 gram bullet moving at a velocity of 318 meters per second?…

A: Given values are, Mass ,m =63.4 g =0.0634 kg Velocity,v= 318 m/s

Q: A 88.0 g ball traveling at a speed of 2.30 m/s has a kinetic energy of J

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Heat produced by combustion of a 3.000 g food sample was –9643J. How much heat, in Joules, was…

A:

Q: What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi=…

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536…

Q: When 145 mL of 0.212 M NaCl(aq) and 145 mL of 0.212 M AgNO3(aq), both at 21.1°C, are mixed in a…

A: Moles of AgNO3 = Molarity× Volume = 0.212 M × (145/1000)L = 0.03074 moles

Q: 900 J of heat are added to a system and 200 J of work are done on the system. What is ∆E?

A: For this problem We have to find the change in internal energy for the given condition.

Q: What is the kinetic energy of a 147 gram baseball moving at a velocity of 47.2 meters per second?…

A:

Q: Heat capacity is the number of joules (J) per Kelvin (K). The heat capacity was 15.080 J/K. What is…

A: Given: Heat capacity in J/K = 15.080 J/K.

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: Chargers for cell phones get warm while they are being used. Some of the energy they are using is…

A: Given  Energy needed for charging = 235 J  Energy wasted as heat = 345 J

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

A:

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: A sample of aluminum absorbs 50.1 J of heat, upon which the temperature of the sample increases from…

A: Heat absorbed = 50.1 J  Initial temperature  = 20.0 °C  Final temperature  = 35.5 °C  Specific heat…

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: When we see that 10 gummy bears are 80 Calories meaning that each bear is 8 Calories, this really…

A: 10 gummy bears = 80 calories.  1 gummy bear = 8 calories. 1 calorie = 4.184 J 1 kJ = 1000 J.

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: The kinetic energy of a 2000.0 g bowling ball traveling at 8.0 m/s is A) 1.20 x 103 B) 64 C) 11.9 D)…

A:

Q: When a person eats to gain energy for activities, your body uses O a Gravitational Potential Energy…

A: Chemical potential energy is the energy stored in the chemical bonds of a substance.