a 5kg block is pushed 3m up a vertical wall with constant speed by a constant force of magnitude f applied at an angle of 37 degrees with the horizontal. if the coefficient of kinetic friction between block and wall is 0.30, determine the work done by the force on the block?

What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition

Aman throws a football straight into the air. as it rises, it slows down. which type of energy is the football gaining?

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.