As part of your work out, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that
York
Answered question
2020-11-01
a) What magnitude of force must u apply to hold the platform in this position?
b) How much additional work must you do to move the platform 0.200m farther, and what maximum force must you apply?
Answer & Explanation
yagombyeR
Skilled2020-11-02Added 92 answers
b) Doubling the distance quadruples the work so an extra 240 J of work must be done. The maximum force is quadrupled, 1600N
New Questions in Other
22+64
When a cold drink is taken from a refrigerator, its temperature is 5 degree C. After 25 minutes in a 20 degree C room its temperature has increased to 10 degree C. What is the temperature of the drink after 50 minutes?
How many minutes are there in hours?
Find the answer for power .
The following law describes the relationship between gas volume and pressure: ________. A)Boyle's law; B)Henry's law; C)Charles' law; D)Dalton's law
If an electric switch is open then no current flows through the circuit.
A)True;
B)FalseThe price elasticity of supply of a good is 0.8. Its price rises by 50 per cent. Calculate the percentage increase in its supply.
How many quarts are in 10 gallons?
When the net force acting on an object is zero, the total momentum of the system will:
A)remain constant;
B)increase with time;
C)decrease with time;
D)None of theseHow many centimeters are in four meters?
A notebook computer has a mass of 2.25 kilograms. About how many pounds does the notebook weigh?
If the dot product of two non-zero vectors is zero, then the vectors A)are parallel to each other. B)are perpendicular to each other. C)can have any orientation. D)are anti-parallel to each other.
Which is longer 5 miles or 10 kilometers?
9 grams is how many milligrams?
How to write in scientific notation?
