Match the approximate dates on the timeline with the events. German Catherine II becomes czarina after the assassination of her husband, Peter III.

Oleg, a Varangian, unites several cities into Kievan Rus.

Ivan III, known as Ivan the Great, stops tribute payments. He builds Moscow into a large city and declares himself the first czar.

Peter the Great begins to rule.

Mikhail Gorbachev introduces perestroika reforms to overhaul the Soviet Union.

Batu Khan and his skilled Asian horsemen make Russia part of the Mongol Empire.

The October Revolution brings Marxist Vladimir Lenin to power.

French Emperor Napoleon Bonaparte invades Russia with 600,000 troops.

The "Time of Troubles" comes to an end when Michael Romanov becomes czar.

Aplane flies a distance d from west to east at a constant speed vp , with respect to the air in a time twe . on the return trip, the plane flies a distance d from east to west at a constant speed vp , with respect to the air in a time tew . on both trips the wind blows from west to east at a constant speed va , with respect to the ground 1) what is tew in terms of vp, va, and d, as needed? tew=dvp tew=dvp+va tew=dva tew=dvpâ’va tew=12dvp tew=12dvp+va tew=12dvpâ’va your submissions: b submitted: saturday, january 26 at 6: 49 pm feedback: feedback will be given once all questions have been attempted and the grade cluster button has been pressed. 2) what is twe in terms of vp, va, and d, as needed? twe=dvp twe=dvp+va twe=dva twe=dvpâ’va twe=12dvp twe=12dvp+va twe=12dvpâ’va your submissions: d submitted: saturday, january 26 at 6: 49 pm feedback: feedback will be given once all questions have been attempted and the grade cluster button has been pressed. 3) assuming d = 2300 miles, vp = 400 miles/hr, and twe = 4 hours, what is va, the speed of the wind with respect to the ground? va = 100 miles/hr va = 575 miles/hr va = 200 miles/hr va = 175 miles/hr va = 975 miles/hr 4) once again, assuming d = 2300 miles, vp = 400 miles/hr, and twe = 4 hours, what is tew, the time it takes the plane to fly a distance d miles from east to west? tew = 5.75 hours tew = 11.5 hours tew = 7.67 hours tew = 8 hours tew = 10.2 hours

The speed of light can be used to measure the

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?