How many neutrons does element x have if it's atomic number is 27 and it's mass number is 74

A police cruiser is travelling at 24 m/s and slows down at a rate of 0.65 m/s2 until it stops. The distance traveled by the cop while slowing down is closest to: A. 0.44 km. B. 0.38 km. C. 0.42 km. D. 0.36 km. E. 4.0 km.

What is the current running through resistor five?

Which of the following changes to the local hydrologic cycle will result if large areas of land experienced clear-cutting? answer choices Transpiration of water from vegetation will increase. Evaporation of water from the soil will increase.

A child rides a bicycle in a circular path with a radius of 2.0 m. The tangential speed of the bicycle is 2.0 m/s. The combined mass of the bicycle and the child is 43 kg. What is the magnitude of the bicycle's centripetal acceleration? a. 1.

in addition to power output light bulbs should also be labelled with the rate at which they emit visible light

Which characteristics are used to identify types of metamorphic rocks? Check all that apply. color foliation rock size grain arrangement type of rock before metamorphosis

What is the current in a 120V circuit if the resistance 10?

What factor causes the seasons? A: Rotation of earth's axis B: The tilt of earth's axis with respect to the sun C: The appearance of the moon D: An eclipse

A golfer on a level fairway hits a ball at an angle of 21° to the horizontal that travels 99 yd before striking the ground. He then hits another ball from the same spot with the same speed, but at a different angle. This ball also travels 99 yd.

What's earths most precious element?