Straighterline PHY250 General Physics I Graded Exams 1, 2, 3, 4 & Midterm (New Version June 2024)

Question 1 Correct 6.00 points out of 6.00 A 0.500 kg steel ball is dropped from a height of 4.00 m onto a horizontal steel slab. The collision appears elastic in that the ball rebounds to its original height. If the collision lasts for 2.00 × 10−3 s, which of the following is the impulse i...

Question 1 Correct 6.00 points out of 6.00 The main pipe coming into a factory is 8 m in diameter, and the water in that pipe enters the building at 1 m / s. Once inside, however, the pipe divides into four pipes that are each4 m in diameter. Which of the following is the velocity of the w...

Question 1 Correct 6.00 points out of 6.00 What is the internal energy of 7.91 x 1022 gas molecules at a temperature of 300 K? Select one: a. 164 J b. 109 J c. 44.2 J d. 492 J Question 2 Correct 6.00 points out of 6.00 Because the energy in SHM alternates between kinetic and potential,...

Question 1 Correct 5.00 points out of 5.00 A 0.200 kg dart is fired horizontally at a speed of 2.75 m / s when it hits a 0.700 kg block ofwood suspended by a string. The nose of the dart sticks into 0.00210 m the wood. Together the dart and block swing upwards from a height of 0.0500 m abo...