The most important acid involved in chemical weathering is ______________ acid
Fill in the blank(s) with correct word
carbonic
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A proton has a speed of 3.0 × 106 m/s in a direction perpendicular to a uniform magnetic field, and the proton moves in a circle of radius 0.20 m. What is the magnitude of the magnetic field?
A) 0.040 T B) 0.080 T C) 0.16 T D) 0.24 T E) 0.32 T
A cheetah can run at approximately 100 km/hr and a gazelle at 80.0 km/hr. If both animals are running at full speed, with the gazelle 60.0 m ahead, how long before the cheetah catches its prey?
a. 6.30 s c. 5.40 s b. 21.6 s d. 10.8 s
Rotational Dynamics: A force of 16.88 N is applied tangentially to a wheel of radius 0.340 m and causes an angular acceleration of 1.20 rad/s2. What is the moment of inertia of the wheel?
A. 4.78 kg ? m2 B. 3.59 kg ? m2 C. 5.98 kg ? m2 D. 7.17 kg ? m2
If the net force on a body is zero the net torque ________ (is always, is not necessarily, cannot be) zero.
Fill in the blank(s) with the appropriate word(s).