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Questions in physics

[Answered] Describe briefly how fossil fuels were formed.

[Answered] 1. **Remove the dimensional prefix and express in scientific notation (include units):** - 7.4 nm - 6.78 x 10^8 MHz - 5.36 x 10^6 kV - 1500 mA 2. **Calculate the following numbers into scientific notation (include units):** - 7800 nm + 95 pm = - 2500 nm - 7 pm = - (65 x 10^4 m) x (4.5 x 10^-6 s^-1) = - (24 x 10^5 m) / (2 x 10^-8 s) = 3. **Convert the following to the prefix commonly used (use units):** - 55,000,000 Hz - 4.8 x 10^4 V - 0.0068 s - 0.00000000234 m

[Answered] What are examples of centripetal acceleration?

[Answered] Collect information about the working of a geyser and prepare a report.

[Answered] If an object vibrates five times every second, what is its frequency?

[Answered] A car accelerates from 25 km/hr in 30 seconds. What is the acceleration?

[Answered] Give two examples of where a permanent magnet might be used. 1. 2.

[Answered] A man is carrying a trolley with a mass of 6 kg and a kinetic energy of 40 J. Calculate its velocity.

[Answered] What would be the final temperature of a mixture of 50g of water at 20°C and 50g of water at 40°C?

[Answered] how do i do this???/