need help with wrong ones

0/5 points A brick is thrown upward from the top of a building at an angle of 25 to the horizontal and with an initial speed of 15 m/s. If the brick is in ight for 3.0 s, how tall is the building? lm Feedback Based on answering incorrectly x 0/ 5 points A projectile is launched with an initial speed of 60.0 m/s at an angle of 300" above the horizontal. The projectile lands on a hillside 4.00 5 later. Neglecting air resistance, (a) What is the projectile's velocity at the highest point of the trajectory? :m :m (b) What is the straight line distance from where the projectile was launched to where it hits its target? Feedback Based on answering incorrectly x 0/5 points If a person can jump a maximum horizontal distance of 3.0 m on Earth,(a) What would be his maximum range on the moon, where the free-fall acceleration is g/6? W (b) Repeat for Mars, where the acceleration due to gravity is 0.38g' '7\" 6 0 /5 points A ball thrown straight upward and returns to the thrower's hand after 3.00 s in the air. A second ball is thrown at an angle of 30.0 to the horizontal reaches the same maximum height as the first ball. (a) At what speed was the first ball thrown? X (no answer) (b) At what speed was the second ball thrown? X (no answer) Feedback Based on answering incorrectly Xa 2,5 / 5 points A coast guard cutter detects an unidentied ship at a distance of 20.0 km in the direction 15.0 east of north. The ship is traveling at 26.0 km/h on a course 40.0 east of north.T he coast guard wishes to send a speedboat to intercept and investigate the vessel. (a) If the speed boat travels at 50.0 km/h, in what direction should the speed boat head? (Express in degrees E of N) (b) Find the time required for the speedboat to intercept the ship. (Express time in minutes) Feed back Based on answering incorrectly X