Alead pellet of mass 10.0g is shot horizontally into a stationary wooden block of mass 100g. the pellet hits the block with an impact velocity of 250ms^–1. it embeds itself in the block and it does not emerge.
what will be the speed of the block immediately after the pellet is embedded?

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.