Question

50 k?n h. What is your average speed MCQ-oG. You drive4 k at 30 km/h and then another 4 kin at for the whole 8 km trip? A) more than 40 km/h B) cqual to 40 km/h C) less than 40 km h D) not cnough information is given At the highest McQ-07. A baseball is hit high and far. Which of the following statements is true? point A) the magnitude of the accclcration is zero B) the magnitude of the velocity is zero C) the magnitude of the velocity is the slowest D) none of the above MCQ-08. A truck loaded with sand accelerates along a higlhway. The driviug force on the truck ren constant. What happens to the acceleration of the truck if its trailer leaks sand at constant rate througk a hole in its botton? A) It decreases at a steady rate B) It increases at a steady rate C) It remains constant D) It is always zero MCQ-09. If you hit a fcather with a hammer, which of the two objccts will feel a stronger forcc? A) Always the feather B) Always the hammer, because the hammer is much heavier CThey always feel the same sized for D) Onc can not conclude without calculating their accclcrations MCQ-10. When a skier skis down a hil, the normal force exerted on the skier by the hill is A) cqual to the wcight of the skicr B) greater than the weight of the skier C) less than the weight of the skier D) cocfficicnt of kinctic friction is not given to come to a conclusion

Answer 1