To find the speed of an object you need to measure..... distance and direction time and direction mass and time distance and time a b c d An air plane flying through the air is an example of balanced forces no forces volcanic forces unbalanced forces How many elements are in Feldspar (a mineral)? KAlSi3O8 4 11 2 13 4 6 How many atoms are in Calcite? CaCO3 5 10 During, Soccer, when is an unbalanced force applied to the ball? ball is resting on the ground while its flying through the air while the foot kicks the ball after the ball lands A student rolled a skateboard down the street. It took 10 seconds to go 140 meters. What is the average speed of the skateboard? 14 m/s 0.71 m/s 1400 m/s 140 m/s It took a lion 11 seconds to run 121 yards. What was the lion's average speed? .09 yards/sec 1,331 yards per second 11 yards/s Not enough in A banana slug moves 51 cm in 3 minutes. What is its average speed? 51 cm/min 3 cm/min 17 cm/min 0.058 cm/min A train leaves New York traveling at a speed of 90 km pr hour. How much distance will it travel in 5 hours? 450 km 18 km/s 350 km 0.55 km |