the amount of energy required to raise a 20kg child onto a countertop that is 1.25m...

Question

Question

the amount of energy required to raise a 20kg child onto a countertop that is 1.25m off the ground is?

a) 0J

b) 30N

c) 0.25N

d) 30 J

e) 245J

Answer 1

Answer #1

Energy required Change in energy final potential el energy Initial potential energy J Taking Initial potential energy ing(0) Hope it helps.

Kindly like the answer and comment your doubts in the comment section below.

Answer 2

Similar Homework Help Questions

ved One Calone is the amount of heat energy required to raise the temperature of 100...

ved One Calone is the amount of heat energy required to raise the temperature of 100 g of water by C. True or False False True
Calculate the amount of heat (in kJ) required to raise the temperature of a 65g sample...

Calculate the amount of heat (in kJ) required to raise the temperature of a 65g sample of ethanol from -34°C to 30°C. The specific heat capacity of ethanol is 2.42 J/g°C.
The calorie is the unit of energy defined as the amount of energy needed to raise...

The calorie is the unit of energy defined as the amount of energy needed to raise 1 g of water by 1 K. a. How many calories are required to bring a pot of water initially at 274 K to a boil? The pot is full to the brim, with a diameter of 20 cm and a depth of 20 cm. The density of water is 1000 g per cubic centimeter. b. If we consider that D for the pot...

One kilocalorie (kcal) is the amount of energy needed to raise 1 ________ of water by...

One kilocalorie (kcal) is the amount of energy needed to raise 1 ________ of water by one degree Celsius. Select one: a. tablespoon b. gallon c. liter d. milliliter e. cup
1. Energy Units (6 points) 1) Calculate the amount of energy required to raise the temperature...

1. Energy Units (6 points) 1) Calculate the amount of energy required to raise the temperature of 4 gallons of water from 50 degree F to the boiling point. A gallon of water weights 8.34 lb. Calculate the answer in three different energy units below. Show calculation 1) BTU 2) calorie 3) Kwh
a) Calculate the total amount of energy (cal) that is needed to melt 10.0 kg of...

a) Calculate the total amount of energy (cal) that is needed to melt 10.0 kg of ice at 0.0°C. b) Calculate the total amount of energy (J) that is needed to melt 10.0 kg of ice at 0.0°C c) Calculate the total amount of energy (cal) that is needed to raise the temperature of 10.0 kg of water from 0.0°C to 20.0°C. d) Calculate the total amount of energy (cal) that is needed to melt 10.0 kg of ice at...

1. Energy Units (6 points) 1) Calculate the amount of energy required to raise the temperature...

1. Energy Units (6 points) 1) Calculate the amount of energy required to raise the temperature of 4 gallons of water from 50 degree F to the boiling point. A gallon of water weights 8.34 lb. Calculate the answer in three different energy units below. Show calculation. 1) BTU 2) calorie 3) Kwh 2) When heated by 300 BTUs, how many degrees (in F) will the temperature of 6 gallons of water increase? (3 points)
Calculate the amount of heat (in kJ) required to raise the temperature of 150.0mL of water...

Calculate the amount of heat (in kJ) required to raise the temperature of 150.0mL of water from 22˚C to 50˚C. The specific heat of water is 4.184 J/g*˚C. q=msΔ
Calculate the amount of heat (in kJ) required to raise the temperature of a 90.0 g...

Calculate the amount of heat (in kJ) required to raise the temperature of a 90.0 g sample of ethanol from 298.0 K to 485.0 K. The specific heat capacity of ethanol is 2.42 J/g°C.

would you do all the questions please 56) How much heat energy is required to raise...

would you do all the questions please 56) How much heat energy is required to raise the temperature of 0.298 mole of water from 35.93°C to 79.84" C? The specific heat capacity of water = 4.18 J/g"C A) 13.1 B) 54.7 J C) 985 J D) 2105 J E) 3310J 57) A 43.9-g piece of copper (Ccu= 0.385 J/g*C) at 135.0 C is plunged into 254 g ofwater at 39.0°C. Assuming that no heat is lost to the surroundings, what...