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Questions in physics

šŸ“ Answered - A skier reaches the bottom of a slope with a velocity of 12 meters per second north. If the skier comes to a complete stop in 3 seconds, what is the acceleration?

šŸ“ Answered - A 10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s\(^2\)? Given: \[ F = ? \] \[ M = 10 \, \text{kg} \] \[ A = 3 \, \text{m/s}^2 \]

šŸ“ Answered - What is the potential energy of a 3-kilogram ball that is on the ground?

šŸ“ Answered - An engineer in India (standard household voltage = 220 volts) is designing a transformer for use on her upcoming trip to Canada (standard household voltage = 120 volts). If her input coil has 240 turns, how many turns should her output coil have?

šŸ“ Answered - When you whisper, you produce a 10-dB sound. a. When you speak quietly, your voice sounds twice as loud as a whisper. How many decibels is this? b. When you speak normally, your voice sounds 4 times as loud as a whisper. How many decibels is this? c. When you yell, your voice sounds 8 times as loud as a whisper. How many decibels is this?

šŸ“ Answered - If a rock is sitting in the dirt, the normal force from the ground and [BLANK] are acting on it. Please help.

šŸ“ Answered - Explain why sedimentary rocks are found as a veneer covering large areas of the continental igneous rocks.

šŸ“ Answered - Nicholas spends 20 minutes ironing shirts with his 1,800-watt iron. How many joules of energy were used by the iron?

šŸ“ Answered - How much force is needed to accelerate a 68-kilogram skier at a rate of 1.2 m/sĀ²?

šŸ“ Answered - What is the momentum of a 52 kg carton that slides at [tex]5.0 \, \text{m/s}[/tex] across an icy surface?