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) Both (2) & (3)44. A car moves on a circular path such that its speedis given by v 4t, where t is time in seconds. Ifradius of the circular path is 2 m, the accelerationof the car at time t 2 s is(1) 4/65 m/s(3) 30 m/s?(2) 32 m/s2(4) 4v35 m/s245. Two balls are simultaneously projected horizontallywith speeds 4 m/s and 3 m/s respectively inopposite direction from top of a tower of height80 m. The distance between two balls when they hitthe ground is (g 10 m/s2)(1) 16 m(3) 28 m(2) 12 m(4) 4 mTRY |
| Answer» ) Both (2) & (3)44. A car moves on a circular path such that its speedis given by v 4t, where t is time in seconds. Ifradius of the circular path is 2 m, the accelerationof the car at time t 2 s is(1) 4/65 m/s(3) 30 m/s?(2) 32 m/s2(4) 4v35 m/s245. Two balls are simultaneously projected horizontallywith speeds 4 m/s and 3 m/s respectively inopposite direction from top of a tower of height80 m. The distance between two balls when they hitthe ground is (g 10 m/s2)(1) 16 m(3) 28 m(2) 12 m(4) 4 mTRY | |