A cyclist starts from rest on a horizontal track and covers a displacement of 10.00m in 2.00s. The radius of each of the bicycle wheels is 0.32m 88. The number of rotations the bicycle wheel will complete in 2.00s is A) 10 B) 20 C) 5 D) none of these 89. The magnitude of angular displacement 0 at t=2.00s is A 10TT rad B) 31.41 rad C) 5TT rad D ) A) and B are correct E) B) and C) are correct 23 SPHS011 ASSIGNMENT 1 2022 90. The magnitude vx of the velocity of the bicycle at t=2.00s is A) 0.00m/s B) 1.00m/s C) 10.00m/s D) none of these 91. The magnitude of acceleration ax of the bicycle at t=2.00s A) -2.00m.s2 B) 5.00m/s2 C) 10.00m.s2 D) none of these 92. The angular velocity w of the wheels at t=2.00s is A) 31.25rad/s B) 15.63 rad/s C) 32.0rad/sD) none of these 92. The angular velocity w of the wheels at t=2.00s is A) 31.25rad/s B) 15.63 rad/s C) 32.0rad/s D) none of these 93. The angular acceleration a of the wheels at t=2.00s is A) 31.25 rad/s2 B) 15.63 rad/s2 C) 32.00. rad/s2 D) none of these 24 24 SPHS011 ASSIGNMENT 1 2022 Statement What is the direction of each of the following Physical quantities Displacement Velocity Acceleration An particle stays at rest 94. a) x b)- x c) y d) 95. aj x b)-x c) y 96. a) x b)-x c)y - y e) none these d) - y e) none d) - y e) none these these An particle is moving with 97. a) x b) -x c)y d) 98. a) x b) - x c) y 99. a) x b) -x c) y a constant velocity in the - y e) none these d) - y e) none d) - y e) none these these x direction. A ball moving in the 100. ajx b) -x cy 101. a) x b)-x 102. a) x b) -x x direction is speeding d) - y e) none these c) y d) - y e) c) y d) - y e) none these none these up An egg thrown vertically 103. a) x b) -x c) y 104. a) x b)- x 105. a) x b) - x upwards has reached the d) - y e) none these c) y d) - y e ) C) y d) - y e) none these maximum height. none these A ball is dropped from a 106. a) x b) - x c)y 107. a) x b) - x 108. a) x b) -x table top and has not yet d) - y e) none these c)y d) - y e) C)y d) - y e) none these theseA) Vx=5.0m/s, Vy=-9.8m/s, x=2.1m, y=-6.0m B) Vx= 5.0m/s, Vy=-6.4m/s, x=6.0m, y=-2.1m C) Vx= -5.0m/s, Vy=-6.4m/s, x=-6.0m, y=-6.0m D) None of these 21 21 SPHS011 ASSIGNMENT 1 2022 Consider fig. 7 below. TL=700N and TR=700N. 5.0 -50 T TL TR Fig.7 84. If TL=TR then TL=TR A) The statement is true B) The statement is false 85. The horizontal component of vector TL in fig. 7 is? A) TLCOS5.00 N in the x direction B) TLCOS5.00 N in the -x direction C) Tisin5.00 N in the x direction D) TLSin5.00 N in the -x direction 86. The vertical component of vector T, in fig 7 is? A) TLCOS5.00 N in the y direction B) TLCOS5.0' N in the -y direction C) Tisin5.00 N in the y direction D) Tisin5.00 N in the -y direction 22