What is the velocity of an object that has the momento of an 4,000kg m/s and a mass of 115kg? Round to the nearest hundredth.

Abox is sliding on a frictionless surface when it suddenly begins to rain heavily. if the downpour of rainfall falls vertically into the box

20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine

Nova: secrets of the sun - video guide worksheet due tomorrowfront side (photo up top)back side (below of the following)1) a mass ejection is a wave of billions of tons of electrically charged particles.2) the sun is so huge, a earths could fit inside of it.3) the surface of the sun seems to vibrate because the sun generates waves4) using geoseismology or helioseismology, we can see the physical process under the sun's surface.5) the thickest layer of plasma in the sun is a region called the zone.6) the thinner plasma in the convection zone makes the move in a more ordered way.7) rising and sinking plasma created a mesmerizing structure called 8) the sdo revealed tornadoes or volcanoes, hundreds of miles high, on the surface of the sun9) sdo allows scientists to see sunlight across a range of 10) the earth's field protects us against threats from the sun.11) the plasma layers beneath the surface act as a which gets denser towards the core. 12) can light up along the paths of the magnetic field, making them visible. 13) the sun's the corona, is made of plasma that reaches over 3 million degrees.14) a sun spot is dark because it is cooler or warmer than its surroundings15) magnetic outbursts are more common during the period called solar