ANSWER PLEASEEE Anthea has a mass of 45 kg. Celebrating a goal scored by her favourite team, she foolishly slides along the carpet at 6.5 m/s.
She comes to a stop after a distance of 0.8 m, with severe carpet burns to her knees.
Calculate the average force applied by the carpet to her knees.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

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.

Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?