momentum is a mass time velocity. suppose the momentum of a 115g. Object is a measured to be 282 kg.m/s. calculate the object velocity. be sure answer has a unit symbol and current number of significant digits.
momentum is a mass time velocity. suppose the momentum of a 115g. Object is a measured...
The veruuicy of an object is the distance it travels per unit time. Suppose the velocity of a gliding bird is measured to be 88.Calculate the time it will take the bird to travel 2.1 m. Be sure your answer has a unit symbol and the correct number of significant cm digits. Solution: Write down the definition of velocity. VE- Solve for time: 2.1 m Put in the data given. 88. cm.s 2.1 m 1 cm 88. cm . s...
A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied together. -5.6 x 10 ( 56 x 10 )0 mmol molc Study the problem and proposed solution below. Is the final answer correct? Then click the No mistakes button. Is the final answer wrong? Then...
An electric current of 104.0 mA transports 1.00 kC of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and the correct number of significant digits. ×10
Correct answer will get a thumbs up !!! Using the relationship between charge, current and time An electric current of 22.90 A transports 590. HC of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and the correct number of significant digits. Explanation
O ELECTROCHEMISTRY Using the relationship between charge, current and time An electric current of 14.10 A transports 200. uC of charge. Calculate the time this took. Be sure your answer has the correct unit symbol and 3 significant digits. x s ?
Suppose a current of 0.810 A flows through a copper wire for 30.0 minutes. Calculate how many moles of electrons travel through the wire. Be sure your answer has the correct unit symbol and the correct number of significant digits.
Suppose a current of 800. mA flows through a copper wire for 106. seconds. Calculate how many moles of electrons travel through the wire. Be sure your answer has the correct unit symbol and the correct number of significant digits.
Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. In essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. Suppose a current of 0.310 A is passed through an electroplating cell with an aqueous solution of Ag2SO4 in the cathode compartment for 54.0 seconds. Calculate the mass of...
Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. In essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. Suppose a current of 300.mA is passed through an electroplating cell with an aqueous solution of Ag2SO4 in the cathode compartment for 55.0 seconds. Calculate the mass of pure...
Momentum and kinetic energy are both calculated from the mass and velocity of an object. If mass is conserved during a collision, explain how momentum may be conserved but not kinetic energy.