1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
avanturin [10]
2 years ago
14

A father lifts a toddler 1.5 m up in the air. The child gains 187.5 J of energy in her gravitational potential energy store as a

result. What is the mass of the toddler? Give your answer to 1 decimal place. (Assume that the gravitational field strength is 10 N/kg.)
Mathematics
1 answer:
professor190 [17]2 years ago
8 0

The mass of the toddler is 12.5 kg

Step-by-step explanation:

Gravitational potential energy (GPE) =

mass (m) × height (h) × gravitational field strength (g)

1. Gravitational potential energy is measured in (J)

2. Mass is measured in (kg)

3. Height is measured in (m)

4. Gravitational field strength (g) is measured in (N/kg)

∵ A father lifts a toddler 1.5 m up in the air

∴ h = 1.5 m

∵ The child gains 187.5 J of energy in her gravitational potential

   energy store as a result

∴ GPE = 187.5 j

- Assume that the gravitational field strength is 10 N/kg

∴ g = 10 N/kg

Substitute the values of GPE , h and g in the rule above to find m

∵ GPE = m h g

∴ 187.5 = m × 1.5 × 10

∴ 187.5 = 15 m

- Divide both sides by 15

∴ m = 12.5 kg

The mass of the toddler is 12.5 kg

Learn more

You can learn more about word problems in brainly.com/question/3950386

#LearnwithBrainly

You might be interested in
Find an equation of the line that satisfies the given conditions. Through (1, 3);
Liula [17]
Please give us the options<span />
8 0
3 years ago
Solve<br><br> 1/5 (x+3)=−(2x+3)
Rasek [7]

Answer:

Step-by-step explanation:

just simplify the LHS first.

You can either multiply 1/5 by (x+3) and then solve

or

multiply both sides by 5 to get rid of 1/5 on LHS

I will multiply by 5

(x+3)= -10x-15     ( 5*1/5(x+3)= -5(2x+3)

now rearrange the equation

x+3=-10x-15

-10x-15-x-3=0

-11x-17=0

-11x=17

x= -17/11

4 0
2 years ago
Riverview Farms sold a combined total of 396 watermelons and cantaloupes. they sold 126 more watermelons than cantaloupes. Use n
Nana76 [90]
I think the answer is d
7 0
3 years ago
Read 2 more answers
Please show working out, thanks!
sveticcg [70]
3^2x = 2^3y = x/y = x/y
4 0
2 years ago
Write a matrix to represent the system of equations.
ioda

Answer:

7   -1   6  |  -8

7  -5   7   |  1

0    1    -4 | -5

Step-by-step explanation:

Note that there are four columns in this system, representing the variables x, y and z and constants.  So the given matrix pattern is appropriate:  It has three columns for the coefficients of x, y and z and one column for the constants.

We need only identify the coefficients and transfer them into the appropriate boxes of the matrix pattern.

We get:

7   -1   6   -8

7  -5   7     1

0    1    -4  -5

7 0
2 years ago
Read 2 more answers
Other questions:
  • You put $500 in your bank account. With an interest rate of 5%, how long will it take the account to reach $600?
    10·2 answers
  • Help me asap please ;)))
    14·1 answer
  • 10-x/3 + 12+6/9 when x= 4
    8·1 answer
  • How much pizza souce is needed to cover a 16” pizza? (Note 16” is the diameter of the pizza)
    15·1 answer
  • Karita had $138.72 in her checking account . She wrote checks for $45.23 and $18.00. Then she made a deposit of 75.85 into her a
    12·1 answer
  • The grocery store sells kumquats for $4.50 a pound and Asian pears for $3.75 a pound. Write an equation in standard form for the
    7·2 answers
  • HELP ASAP PLEASE <br> IN SPANISH BUT ITS FINDING AREA
    5·1 answer
  • In which line is an error first made when solving the equation below? -18 = 19z -9
    10·1 answer
  • If p = q^r, q=r^p and r=p^q, prove that prq=1.​
    5·1 answer
  • Ms speakman's smartphone is on sale for 25% off its list price. The sale priceof the smartphone is 51799,99, What expression can
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!