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Questions in physics

[Homework Help] A balloon holds 20.0 liters of helium at 10.0°C. If the temperature increases to 50.0°C and the pressure does not change, what will be the new volume of the balloon?

[Homework Help] Describe what might happen if Earth’s magnetic field continues to lose strength.

[Homework Help] A wheel has a radius of 0.30 m. It rotates 185 times before it stops. How far did the vehicle travel?

[Homework Help] A toaster is plugged into a 120-volt household circuit. It draws 5 amps of current. a. What is the resistance of the toaster? b. What is the power of the toaster in watts? c. What is the power in kilowatts?

[Homework Help] A cart rolling down an incline for 5.0 seconds has an acceleration of [tex]4.0 \, \text{m/s}^2[/tex]. If the cart has a beginning speed of [tex]2.0 \, \text{m/s}[/tex], what is its final speed?

[Homework Help] What provides the force necessary to start a building or bridge oscillating?

[Homework Help] Can you fall in love with blue eyes without falling in love with the person who has them?

[Homework Help] A man hits a golf ball with a mass of 0.2 kg, which accelerates at a rate of 20 m/s². What amount of force acted on the ball?

[Homework Help] A car traveling in a straight line has a velocity of 6 m/s at some instant. After 6.32 seconds, its velocity is 13.2 m/s. What is the average acceleration during this time interval?

[Homework Help] A scientist wishes to generate a chemical reaction in his laboratory. The temperature values in his laboratory manual are given in degrees Celsius. However, his lab thermometers are calibrated in degrees Fahrenheit. If he needs to heat his reactants to [tex]232^\circ \text{C}[/tex], what temperature will he need to monitor on his lab thermometers?