Can we predict when a single atom will decay

Which element is metalloid

During a fission each time an atom divides ___. Half the energy released More energy released Double the energy is released

shows two blocks connected by a cord (of negligible mass) that passes over a frictionless pulley (also of negligible mass). The arrangement is known as Atwood's machine. One block has mass m1 = 1.30 kg; the other has mass m2 = 2.80 kg.

Choose the ending that best completes the following sentence: If an object is traveling with a constant velocity ... A. There are no forces on the object. B. There is no net force on the object. C.

A silver bar 0.125 meter long is subjected to a temperature change from 200°C to 100°C. What will be the length of the bar after the temperature change? A. 0.0000189 meterB. 0.00002363 meterC. 0.124764 meterD. 0.00023635 meter

An astronaut weighs 104 newtons on the moon, where the strength of gravity is 1.6 newtons per kilogram. What would she weigh on Mars?

A chemical bond formed when Adams share three pairs of electrons is A. an ionic bond B. a single bond C. a double bond D. a Triple bond

A 1100 kg car rounds a circular turn of radius 24.6 m. Of the road is flat and the coefficient of static friction between the tires and the road is 0.59, how fast can the car go without skidding

What is the momentum of a 15 kg tire rolling down a hill at 3 m/s? 5 kg • m/s 18 kg • m/s 45 kg • m/s 60 kg • m/s

Which of Newton's laws, when combined algebraically with his law of universal gravitation, can be used to calculate Earth's mass? A) first B) second C) third